Graphing Linear Functions

October 2014

Graphing Lines from Equations

When given a linear equation, you can graph the line following these steps:



  1. Rewrite the equation in slope-intercept form: y = mx + b
  2. The "b" value is the y-intercept. Plot that point.
  3. The "m" value is the slope. Starting at the y-intercept, counts the units up (rise) and the units across (run). Plot that point.
  4. Connect the two points with a straight line.


Another method is to generate points by substituting values in for "x" and solving for "y". You only need two points to draw a line but it is a good idea to generate a third point just to make sure you did not make a calculation error.

Watch this helpful video!

Graph! (WSHS Math Rap Song)

Assignment

Print out the worksheet to complete or do your work on a separate sheet of paper. Turn in for grading.


Graphing Linear Functions

Additional Practice

Play these Quia activities for more practice on linear functions and graphing.


Find the Slope


Finding the Slope, Y-intercept, and Equations


Calculate the Slope

Teacher Contact Info

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