Linear Equations | 8th grade

The change of quantities by constant rate can be defined by linear function, which shows the propotional relationships between the two variables. Let's learn how we find these propotional relationships by equations and graphical representation.

Propotional relationships

Review of propotional relationships

Identify the propotional relationships from graph

Identify the propotional relationships from table

Write the equation of propotional relationships from graph

Write the equation of propotional relationships from table

Write the constant of proportionality from a table

Write the constant of proportionality from a graph

Write the equation of propotional relationships from word problems

worksheet Solution

Solution to 2-variable linear equations

Review of solution to 2-variable equation

Verify the solution of 2-variabe equation

Complete the solution of linear equation

worksheet Solution

Intercepts

Review of x-intercepts and y-intercepts

Intercepts from graph

Intercepts from an equation

worksheet Solution

Slope

Review of Slope introduction and slope formula

Slope from graph

Slope from two points

Slope from equations

worksheet Solution

Slope-intercept form

Review of two forms of equations

Introduction to slope-intercept form

Graph from slope-intercept form

Writing slope-intercept equation from graph

worksheet Solution

Linear equations and propotional relatioships

8th grade math worksheets

8th Grade!

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5. Propotional relationships and Linear equations

Propotional relationships

Solution to 2-variable linear equations

Intercepts

Slope

Slope-intercept form

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