How to Graph Linear Equations by Substitution


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question 1 of 3

If an equation is linear, then _____.

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1. The graph shown was made by substituting points into a formula and plotting on a grid. Which of the following points could have been used to plot this graph?

2. If you plug x values 0 and 5 into the equation 5y = -x + 5, which pair of points would be a correct result?

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About This Quiz & Worksheet

This quiz and worksheet offer a chance to revisit what you know about graphing linear equations in instances where it is helpful to use a substitution. You'll review common rules and steps for solving these problems.

Quiz & Worksheet Goals

Use this quiz and worksheet to review:

  • Key understanding of what a linear equation is
  • Finding points with substitution
  • Testing the points
  • Solving non-linear equations by graphing them

Skills Practiced

  • Information recall - see if you can remember what a linear equation is and how it is represented on a graph
  • Knowledge application - review your understanding of solving linear equations to answer questions about graphing them with a substitution
  • Problem solving - use what you know of graphing linear equations to solve them

Additional Learning

Want a more comprehensive review of this topic? Read the provided lesson, How to Graph Linear Equations by Substitution. You'll revisit:

  • What a linear equation is
  • The importance of the slope-intercept form
  • Using the point-slope form
  • Examples of both forms