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Topic 8

Linear Functions

Free 8th Grade Math PDF Worksheets

Topic overview

Linear functions have a constant rate of change and form straight lines on a graph. Their slope and initial value connect equations, tables and graphs, helping describe situations such as a fixed starting cost followed by a cost per unit.

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  1. 8.10 visits
    Slope-Intercept Form
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    Level 1: Reading m and b0Level 2: Fractions and rearranged forms0Level 3: Rewriting into y = mx + b0
  2. 8.20 visits
    Writing Equations of Lines
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    Level 1: From slope and y-intercept0Level 2: From slope and a point0Level 3: From two points0
  3. 8.30 visits
    Writing Equations from Graphs
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    Level 1: Positive slopes, y-intercept marked0Level 2: Negative, fraction and zero slopes0Level 3: Reading two points anywhere on the line0
  4. 8.40 visits
    Linear Functions from Tables
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    Level 1: Tables starting at x = 00Level 2: Tables with other starting values0Level 3: Fractions and nonlinear tables0
  5. 8.50 visits
    Word Problems: Linear Functions
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    Level 1: Writing equations0Level 2: Using an equation0Level 3: Finding the equation from two facts0