Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 6 Unit 9

Putting it All Together

Lesson 4: How Do We Choose?

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Topics
Video Definition 47--Rationals and Radicals--Zero of a Rational Function Video Definition 47--Rationals and Radicals--Zero of a Rational Function Video Definition 47--Rationals and Radicals--Zero of a Rational Function

Topic

Rationals and Radicals

Description

The Zero of a Rational Function is the value of the input variable for which the rational function equals zero. For example, in f(x) = (x - 1)/(x + 1), the zero occurs at x = 1. This term highlights the connection between the numerator of a rational function and its roots, which are essential for solving equations involving rational expressions.

Rational Functions and Equations
Video Definition 14--Fraction Concepts--Fraction Operation Video Definition 14--Fraction Concepts--Fraction Operation Video Definition 14--Fraction Concepts--Fraction Operation

Topic

Fractions

Description

Fraction operations include addition, subtraction, multiplication, and division. Examples include 1/2 + 1/3 = 5/6, 3/4 - 1/4 = 1/2. These operations require finding a common denominator for addition/subtraction or applying direct multiplication/division for the respective operations. This encapsulates the arithmetic procedures involving fractions, forming the basis for more complex problem-solving.

Fractions and Mixed Numbers
Video Definition 20--Fraction Concepts--Irrational Number Video Definition 20--Fraction Concepts--Irrational Number Video Definition 20--Fraction Concepts--Irrational Number

Topic

Fractions

Description

An irrational number cannot be expressed as a fraction and has a non-terminating, non-repeating decimal form. Examples include π = 3.14159... and √2 = 1.41421.... This highlights the contrast between rational and irrational numbers. This connects fractions to the broader number system, emphasizing differences in numerical properties.

Fractions and Mixed Numbers
Video Definition 32--Fraction Concepts--Ratio Video Definition 32--Fraction Concepts--Ratio Video Definition 32--Fraction Concepts--Ratio

Topic

Fractions

Description

A ratio is a comparison of two quantities or numbers by division, often written as a fraction. The image defines it as a / b, where b ≠ 0, and provides examples like 1 / 2 and 2 / 3. This term bridges fractions and their use in comparing quantities, which helps learners connect fraction concepts to real-world applications such as proportions and rates.

Fractions and Mixed Numbers
Video Definition 33--Fraction Concepts--Rational Number Video Definition 33--Fraction Concepts--Rational Number Video Definition 33--Fraction Concepts--Rational Number

Topic

Fractions

Description

A rational number is defined as a ratio of two integers that can be expressed as a fraction, whole number, or decimal. Examples provided in the image include 0.5, 1 / 4, and 10. The term builds on the concept of ratios and fractions by showing that they can also represent rational numbers, broadening the application of fractions to include whole numbers and decimals.

Fractions and Mixed Numbers
Video Definition 32--Polynomial Concepts--Rational Root Theorem (Spanish Audio) Video Definition 32--Polynomial Concepts--Rational Root Theorem (Spanish Audio) Video Definition 32--Polynomial Concepts--Rational Root Theorem (Spanish Audio)

Topic

Polynomials

Description

Rational Root Theorem: For a polynomial P(x) with integer coefficients, if it has rational roots, they will be of the form ±p/q, where p is a factor of the constant term and q is a factor of the leading coefficient. Example: P(x) = 2x3 + x2 - 13x + 6. Introduces a systematic way to identify potential rational roots of a polynomial.

Factoring Polynomials
Video Definition 32--Polynomial Concepts--Rational Root Theorem Video Definition 32--Polynomial Concepts--Rational Root Theorem Video Definition 32--Polynomial Concepts--Rational Root Theorem

Topic

Polynomials

Description

Rational Root Theorem: For a polynomial P(x) with integer coefficients, if it has rational roots, they will be of the form ±p/q, where p is a factor of the constant term and q is a factor of the leading coefficient. Example: P(x) = 2x3 + x2 - 13x + 6. Introduces a systematic way to identify potential rational roots of a polynomial.

Factoring Polynomials
Math Example--Graphical Solutions to Rational Equations--Example 1 Math Example--Graphical Solutions to Rational Equations--Example 1 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

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Create a Slide Show

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Accessibility

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Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 2 Math Example--Graphical Solutions to Rational Equations--Example 2 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 3 Math Example--Graphical Solutions to Rational Equations--Example 3 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

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Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 4 Math Example--Graphical Solutions to Rational Equations--Example 4 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

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Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 5 Math Example--Graphical Solutions to Rational Equations--Example 5 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 6 Math Example--Graphical Solutions to Rational Equations--Example 6 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 7 Math Example--Graphical Solutions to Rational Equations--Example 7 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 8 Math Example--Graphical Solutions to Rational Equations--Example 8 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 9 Math Example--Graphical Solutions to Rational Equations--Example 9 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Math Example--Graphical Solutions to Rational Equations--Example 10 Math Example--Graphical Solutions to Rational Equations--Example 10 This is part of a collection of math examples that show how to use graphical techniques to solve rational equations. Note: The download is an image file.

Related Resources

To see additional resources on this topic, click on the Related Resources tab.

Create a Slide Show

Subscribers can use Slide Show Creator to create a slide show from the complete collection of math examples on this topic. To see the complete clip art collection, click on this Link. To learn more about Slide Show Creator, click on this Link: 

Accessibility

This resource can also be used with a screen reader.
Rational Functions and Equations
Definition--Vector Concepts--Vector Quantity: Acceleration Definition--Vector Concepts--Vector Quantity: Acceleration Definition--Vector Concepts--Vector Quantity: Acceleration

This is part of a collection of definitions on the topic of Vectors.

—Click on PREVIEW to see the definition card.—
Vectors
Tutorial Instructional Resource: Tutorial: What Are Rational Expressions? Instructional Resource: Tutorial: What Are Rational Expressions?

In this tutorial students learn about rational expressions and use the properties of fractions to combine them.

—Press PREVIEW to see the tutorial—

Rational Expressions
Definition--Calculus Topics--Acceleration Definition--Calculus Topics--Acceleration Definition--Calculus Topics--Acceleration

Topic

Calculus

Definition

Acceleration is the rate of change of velocity with respect to time. It is the second derivative of position with respect to time.

Description

Acceleration is a fundamental concept in calculus, particularly in the study of motion and kinematics. It's crucial for understanding how objects move and change speed over time. In real-world applications, acceleration is used extensively in physics and engineering, from designing roller coasters to launching spacecraft. For example, in automotive engineering, understanding acceleration helps in designing safer vehicles and more efficient engines.

Calculus Vocabulary
Definition--Calculus Topics--Derivative of a Rational Function Definition--Calculus Topics--Derivative of a Rational Function Definition--Calculus Topics--Derivative of a Rational Function

Topic

Calculus

Definition

The derivative of a rational function f(x) = P(x)/Q(x), where P(x) and Q(x) are polynomials and Q(x) ≠ 0, is given by the quotient rule: f'(x) = (Q(x)P'(x) - P(x)Q'(x)) / [Q(x)]2.

Description

The derivative of rational functions is a fundamental concept in calculus with significant applications in various fields of science and engineering. It's particularly useful in analyzing rates of change in complex systems, solving differential equations, and optimizing processes in fields like economics, physics, and engineering.

Calculus Vocabulary
Definition--Calculus Topics--Integration by Substitution Definition--Calculus Topics--Integration by Substitution Definition--Calculus Topics--Integration by Substitution

Topic

Calculus

Definition

Integration by substitution is a method used to evaluate integrals by substituting a new variable for a part of the integrand, often simplifying the integral.

Description

Integration by substitution is a fundamental technique in calculus, often considered the counterpart to the chain rule for derivatives. It's particularly useful for integrating composite functions and functions involving trigonometric, exponential, or logarithmic terms. This method is widely applied in physics and engineering to solve problems involving changing variables or coordinate systems.

Calculus Vocabulary
Definition--Calculus Topics--Rational Function Definition--Calculus Topics--Rational Function Definition--Calculus Topics--Rational Function

Topic

Calculus

Definition

A rational function is a function that can be expressed as the ratio of two polynomials, P(x)/Q(x), where Q(x) ≠ 0.

Description

Rational functions are a crucial class of functions in calculus and algebra, with wide-ranging applications in science, engineering, and economics. They exhibit interesting behaviors such as asymptotes, holes, and discontinuities, making them valuable for modeling complex real-world phenomena. The study of rational functions involves analyzing their domain, range, intercepts, and end behavior.

Calculus Vocabulary
Definition--Rationals and Radicals--Fourth Root Definition--Rationals and Radicals--Fourth Root Fourth Root

Topic

Rationals and Radicals

Definition

The fourth root of a number is a value that, when raised to the power of four, gives the original number.

Description

The fourth root is an important concept in Radical Numbers, Expressions, Equations, and Functions. It is the inverse operation of raising a number to the power of four. Understanding fourth roots is crucial for solving higher-degree equations and for simplifying radical expressions.

Fourth roots are also relevant in various scientific and engineering applications where higher-degree roots are required. They are a part of advanced mathematical studies, including algebra and calculus.

Radical Expressions
Definition--Rationals and Radicals--Geometric Mean Definition--Rationals and Radicals--Geometric Mean Geometric Mean

Topic

Rationals and Radicals

Definition

The geometric mean of two numbers is the square root of their product.

Description

The geometric mean is an example of using radical expressions to solve a problem. It provides a measure of central tendency that is particularly useful in situations where the numbers are multiplied together rather than added.

In geometry, the geometric mean appears in various theorems and constructions. It is also used in finance and statistics to calculate average growth rates and to compare different sets of data.

Radical Expressions
Definition--Rationals and Radicals--Rationalizing the Denominator Definition--Rationals and Radicals--Rationalizing the Denominator Rationalizing the Denominator

Topic

Rationals and Radicals

Definition

Rationalizing the denominator is the process of eliminating radicals or complex numbers from the denominator of a fraction by multiplying both the numerator and denominator by an appropriate factor.

Description

Rationalizing the Denominator is a crucial technique in the study of Radical Numbers, Expressions, Equations, and Functions. This process involves removing radicals or complex numbers from the denominator of a fraction, which simplifies the expression and often makes it easier to evaluate or compare with other expressions. For example, to rationalize the denominator of 

Radical Expressions
Definition--Rationals and Radicals--Conjugate of a Radical Definition--Rationals and Radicals--Conjugate of a Radical Conjugate of a Radical

Topic

Rationals and Radicals

Definition

The conjugate of a radical expression is obtained by changing the sign between two terms in a binomial.

Description

In the context of Radical Numbers, Expressions, Equations, and Functions, the concept of conjugates is essential for simplifying expressions. When dealing with radicals, particularly in the denominator, multiplying by the conjugate can help to rationalize the expression. This process eliminates the radical from the denominator, making the expression easier to work with.

Radical Expressions
Definition--Rationals and Radicals--Rationalizing a Radical Definition--Rationals and Radicals--Rationalizing a Radical Rationalizing a Radical

Topic

Rationals and Radicals

Definition

Rationalizing a radical is the process of eliminating radicals from the denominator of a fraction by multiplying both the numerator and denominator by an appropriate factor.

Description

Rationalizing a Radical is an important technique in the study of Radical Numbers, Expressions, Equations, and Functions. This process involves eliminating radicals from the denominator of a fraction, which simplifies the expression and often makes it easier to work with or compare to other expressions. For example, to rationalize the denominator of 

13

Radical Expressions
Definition--Rationals and Radicals--Simplifying a Radical Expression Definition--Rationals and Radicals--Simplifying a Radical Expression Simplifying a Radical Expression

Topic

Rationals and Radicals

Definition

Simplifying a radical expression involves reducing the expression to its simplest form by factoring the radicand and removing any perfect square factors (for square roots) or perfect cube factors (for cube roots).

Description

Simplifying a Radical Expression is a fundamental skill in the study of Radical Numbers, Expressions, Equations, and Functions. This process involves reducing a radical expression to its simplest form, which often makes it easier to work with and understand. For example, simplifying 

18

results in 

Radical Expressions
Definition--Rationals and Radicals--Rational Exponent Definition--Rationals and Radicals--Rational Exponent Rational Exponent

Topic

Rationals and Radicals

Definition

A rational exponent is an exponent that is a fraction, where the numerator indicates the power and the denominator indicates the root.

Description

Rational Exponents are a crucial concept in the study of Rational Numbers, Expressions, Equations, and Functions. These exponents are fractions, where the numerator indicates the power and the denominator indicates the root. For example, the expression 

am/n

can be rewritten as 

nam

Rational Expressions
Definition--Rationals and Radicals--Laws of Rational Exponents Definition--Rationals and Radicals--Laws of Rational Exponents Laws of Rational Exponents

Topic

Rationals and Radicals

Definition

The laws of rational exponents describe how to handle exponents that are fractions, including rules for multiplication, division, and raising a power to a power.

Description

The Laws of Rational Exponents are vital in the study of Rational Numbers, Expressions, Equations, and Functions. These laws provide a framework for simplifying expressions involving exponents that are fractions. For example, the law

 am/n=nam

 

Rational Expressions
Definition--Rationals and Radicals--Factoring a Radical Definition--Rationals and Radicals--Factoring a Radical Factoring a Radical

Topic

Rationals and Radicals

Definition

Factoring a radical involves expressing it as a product of simpler expressions.

Description

Factoring radicals is a key technique in the study of Radical Numbers, Expressions, Equations, and Functions. It simplifies complex radical expressions, making them easier to work with. This process is essential for solving equations and for performing algebraic manipulations involving radicals.

Understanding how to factor radicals is also important for simplifying expressions in calculus and higher-level mathematics. It helps in breaking down complex problems into more manageable parts.

Radical Functions and Equations
Definition--Rationals and Radicals--Simplifying a Rational Expression Definition--Rationals and Radicals--Simplifying a Rational Expression Simplifying a Rational Expression

Topic

Rationals and Radicals

Definition

Simplifying a rational expression involves reducing the fraction to its lowest terms by factoring both the numerator and denominator and canceling common factors.

Description

Simplifying a Rational Expression is a crucial skill in the study of Rational Numbers, Expressions, Equations, and Functions. This process involves reducing a rational expression to its simplest form by factoring both the numerator and denominator and canceling common factors. For example, simplifying 

x21x1

results in x + 1 for 

Rational Expressions
Definition--Rationals and Radicals--Partial Fraction Decomposition of a Rational Expression Definition--Rationals and Radicals--Partial Fraction Decomposition of a Rational Expression Partial Fraction Decomposition of a Rational Expression

Topic

Rationals and Radicals

Definition

Partial fraction decomposition is a method used to express a rational expression as a sum of simpler fractions.

Description

Partial Fraction Decomposition is a powerful tool in the study of Rational Numbers, Expressions, Equations, and Functions. It involves breaking down a complex rational expression into a sum of simpler fractions, which are easier to integrate or differentiate. For example, the rational function 

2x+3(x+1)(x2)

can be decomposed into 

Rational Expressions
Definition--Rationals and Radicals--Asymptotes for a Rational Function Definition--Rationals and Radicals--Asymptotes for a Rational Function Asymptotes for a Rational Function

Topic

Rationals and Radicals

Definition

An asymptote is a line that a graph approaches but never touches.

Description

Asymptotes are significant in the study of Rational Numbers, Expressions, Equations, and Functions. They help in understanding the behavior of graphs of rational functions, particularly as the values of the variables approach certain limits. Horizontal asymptotes indicate the value that the function approaches as the input grows infinitely large or small. Vertical asymptotes show the values that the function cannot take because they cause division by zero.

Rational Functions and Equations
Definition--Rationals and Radicals--Vertical Asymptote Definition--Rationals and Radicals--Vertical Asymptote Vertical Asymptote

Topic

Rationals and Radicals

Definition

A vertical asymptote is a vertical line that the graph of a function approaches but never reaches as the input values get closer to a certain point.

Description

Vertical Asymptotes are a crucial concept in the study of Rational Numbers, Expressions, Equations, and Functions. They occur in rational functions when the denominator equals zero for certain input values, causing the function to approach infinity or negative infinity. For example, the function 

f(x)=1x2

Rational Functions and Equations
Definition--Rationals and Radicals--Horizontal Asymptote Definition--Rationals and Radicals--Horizontal Asymptote Horizontal Asymptote

Topic

Rationals and Radicals

Definition

A horizontal asymptote is a horizontal line that a rational function graph approaches as the input values become very large or very small.

Description

Horizontal asymptotes are an important concept in the study of Rational Numbers, Expressions, Equations, and Functions. They indicate the value that a function approaches as the input grows infinitely large or small. Understanding horizontal asymptotes is crucial for graphing rational functions accurately and for analyzing their long-term behavior.

Rational Functions and Equations
Definition--Rationals and Radicals--Oblique Asymptote Definition--Rationals and Radicals--Oblique Asymptote Oblique Asymptote

Topic

Rationals and Radicals

Definition

An oblique asymptote is a diagonal line that the graph of a function approaches as the input values become very large or very small.

Description

Oblique Asymptotes are important in the study of Rational Numbers, Expressions, Equations, and Functions. They occur in rational functions where the degree of the numerator is one more than the degree of the denominator. For example, the function 

f(x)=x2+1x

Rational Functions and Equations
Definition--Rationals and Radicals--Rational Equation Definition--Rationals and Radicals--Rational Equations Rational Equations

Topic

Rationals and Radicals

Definition

Rational equations are equations that involve rational expressions, which are fractions containing polynomials in the numerator and denominator.

Description

Rational Equations are a fundamental aspect of Rational Numbers, Expressions, Equations, and Functions. These equations involve rational expressions, which are fractions containing polynomials in the numerator and denominator. Solving rational equations typically requires finding a common denominator, clearing the fractions, and then solving the resulting polynomial equation. For example, to solve 

1x+1x+1=12

Rational Functions and Equations
Definition--Rationals and Radicals--Radical Equations Definition--Rationals and Radicals--Radical Equations Radical Equations

Topic

Rationals and Radicals

Definition

Radical equations are equations in which the variable is inside a radical, such as a square root or cube root.

Description

Radical Equations are a fundamental aspect of Radical Numbers, Expressions, Equations, and Functions. These equations involve variables within radical signs, such as square roots or cube roots. Solving radical equations typically requires isolating the radical on one side of the equation and then squaring both sides to eliminate the radical. For example, to solve 

x+3=5

one would square both sides to obtain 

x+3=25

Radical Functions and Equations
Definition--Rationals and Radicals--Graphs of Radical Functions Definition--Rationals and Radicals--Graphs of Radical Functions Graphs of Radical Functions

Topic

Rationals and Radicals

Definition

Graphs of radical functions are visual representations of equations involving radicals.

Description

Graphs of radical functions are crucial in the study of Radical Numbers, Expressions, Equations, and Functions. They provide a visual understanding of how these functions behave, including their domains, ranges, and key features such as intercepts and asymptotes.

Radical Functions and Equations
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 7 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 7 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 7

Topic

Polynomials

Factoring Polynomials
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 6 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 6 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 6

Topic

Polynomials

Description

The example illustrates the process of finding rational roots for the polynomial. Find the rational roots of the polynomial P(x) = x3 - 3x2 + 7x - 5 using the Rational Root Theorem. 1. Identify factors of the constant term (-5), which are ±1 and ±5, and factors of the leading coefficient (1), which is ±1. 2. Form possible values of p/q: ±1 and ±5. 3. Test these values to find the roots. Roots found are x = 1. 4. The polynomial can be factored as P(x) = (x - 1)(x2 - 2x + 5). The answer is P(x) = (x - 1)(x2 - 2x + 5). There are no additional rational roots.

Factoring Polynomials
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 5 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 5 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 5

Topic

Polynomials

Description

The example illustrates the process of finding rational roots for the polynomial. Find the rational roots of the polynomial P(x) = 3x3 - 7x2 + 4 using the Rational Root Theorem. 1. Identify factors of the constant term (4), which are ±1, ±2, and ±4, and factors of the leading coefficient (3), which are ±1 and ±3. 2. Form possible values of p/q: ±1/3, ±2/3, ±1, ±4/3, ±2, and ±4. 3. Test these values to find the roots. Roots found are x = -2/3, 1, and 2. 4. The polynomial can be factored as P(x) = 3x3 - 7x2 + 4. The answer is P(x)=(x + 2/3)(x - 1)(x - 2).

Factoring Polynomials
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 4 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 4 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 4

Topic

Polynomials

Factoring Polynomials
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 3 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 3 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 3

Topic

Polynomials

Description

The example illustrates the process of finding rational roots for the polynomial. Find the rational roots of the polynomial P(x) = x3 - 7x2 + 14x - 8 using the Rational Root Theorem. 1. Identify possible factors of the constant term (-8), which are ±1, ±2, ±4, and ±8. 2. Test each factor by substituting them into the polynomial until a root is found. Roots found are x = 1, 2, and 4. 3. The polynomial can be factored as P(x)=(x - 1)(x - 2)(x - 4). The answer is P(x) = x3 - 7x2 + 14x - 8.

Factoring Polynomials
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 2 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 2 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 2

Topic

Polynomials

Description

The example illustrates the process of finding rational roots for the polynomial. Find the rational roots of the polynomial P(x) = x3 + 7x2 + 14x + 8 using the Rational Root Theorem. 1. Identify possible factors of the constant term (8), which are ±1, ±2, ±4, and ±8. 2. Test each factor by substituting them into the polynomial to find the roots. Roots found are x = -1, -2, and -4. 3. The polynomial can be factored as P(x) = x3 + 7x2 + 14x + 8. The answer is P(x) = (x + 1)(x + 2)(x + 4).

Factoring Polynomials
Math Example--Polynomial Concepts-- Rational Root Theorem: Example 1 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 1 Math Example--Polynomial Concepts-- Rational Root Theorem: Example 1

Topic

Polynomials

Description

The example illustrates the process of finding rational roots for the polynomial. Find the rational roots of the polynomial P(x) = x3 + 4x2 + x - 6 using the Rational Root Theorem. 1. Identify possible factors of the constant term (-6), which are ±1, ±2, ±3, and ±6. 2. Test each factor as possible roots by substituting them into the polynomial until a root is found. Roots found are x = 1, -2, and -3. 3. The polynomial can be factored as P(x) = x3 + 4x2 + x - 6. The answer is P(x)=(x - 1)(x + 2)(x + 3).

Factoring Polynomials
Definition--Polynomial Concepts--Rational Root Theorem Definition--Polynomial Concepts--Rational Root Theorem Rational Root Theorem

Topic

Polynomials

Definition

The Rational Root Theorem states that any rational root of a polynomial equation is a factor of the constant term divided by a factor of the leading coefficient.

Description

The Rational Root Theorem is a powerful tool in algebra that provides a systematic way to identify possible rational roots of a polynomial equation. According to the theorem, any rational root of a polynomial equation is a factor of the constant term divided by a factor of the leading coefficient. This theorem is particularly useful for solving higher-degree polynomial equations and for analyzing polynomial functions.

Factoring Polynomials
Video Tutorial: Rate of Change Video Tutorial: Ratios, Video 20 Video Tutorial: Ratios and Rates: Rate of Change

This is part of a collection of video tutorials on the topic of Ratios and Proportions. This series includes a complete overview of ratios, equivalent ratios, rates, unit rates, and proportions. The following section will provide additional background information for the complete series of videos.

What Are Ratios?

A ratio is the relationship between two or more quantities among a group of items. The purpose of a ratio is find the relationship between two or more items in the collection.

Let's look at an example.

Point-Slope Form and Slope