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Math Example--Linear Function Concepts--Linear Intercepts: Example 9

Math Example--Linear Function Concepts--Linear Intercepts: Example 9

Math Example Image

Topic

Linear Functions

Description

Find the x- and y-intercepts for the linear equation 20x - 10y = 60 given in standard form. Convert it to slope-intercept form.

The equation is rewritten as y = 2x - 6. The y-intercept is -6 (where x = 0), and the x-intercept is 3 (where y = 0). These intercepts are plotted on a graph.

Linear functions are a fundamental concept in algebra, where we explore the relationships between variables. The examples in this collection highlight how to find intercepts and analyze the relationships they represent in a linear context.

Seeing multiple worked-out examples is critical for students. It helps them recognize patterns, solidify understanding, and apply these concepts to new problems.

Teacher Script: Let us look at this example together. Notice how we solve for the x-intercept by setting y = 0 and for the y-intercept by setting x = 0. This method ensures we understand the graph’s key points.

For a complete collection of math examples related to Linear Functions click on this link: Math Examples: Linear Intercepts Collection.

Common Core Standards CCSS.MATH.CONTENT.8.EE.B.6, CCSS.MATH.CONTENT.HSF.IF.B.4, CCSS.MATH.CONTENT.HSF.IF.C.7.A
Grade Range 8 - 10
Curriculum Nodes Algebra
    • Linear Functions and Equations
        • Slope-Intercept Form
        • Standard Form
Copyright Year 2021
Keywords y-intercept, x-intercept