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Definition--Quadratics Concepts--Maximum

Maximum

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Topic

Quadratics Concepts

Definition

The maximum of a quadratic function is the highest point on its graph, occurring at the vertex when the parabola opens downward.

Description

The maximum of a quadratic function is an important concept in understanding the behavior of parabolas. When a quadratic function is in the form 

f(x) = −ax2 + bx + c 

with a > 0, the parabola opens downward, and the vertex represents the maximum point. This maximum value is crucial in optimization problems, where determining the highest value of a function is necessary, such as maximizing profit or efficiency. In math education, learning about the maximum of quadratic functions helps students analyze and graph parabolas, solve real-world problems, and understand the significance of the vertex in determining function behavior. An example of finding the maximum is in the function 

f(x) = −x2 + 4x + 5

where the vertex and maximum point is (2, 9).

For a complete collection of terms related to Quadratic Expressions, Functions, and Equations click on this link: Quadratics Collection

Common Core Standards CCSS.MATH.CONTENT.HSN.CN.C.7, CCSS.MATH.CONTENT.HSA.SSE.B.3.B, CCSS.MATH.CONTENT.HSA.REI.B.4.A, CCSS.MATH.CONTENT.HSF.IF.C.8.A
Grade Range 6 - 10
Curriculum Nodes Algebra
    • Quadratic Functions and Equations
        • Quadratic Equations and Functions
Copyright Year 2021
Keywords quadratic functions, quadratic equations, quadratic formula, definitions, glossary terms