3.4 Slope intercept form: y = mx + b

Slope intercept form: y = mx + b

The slope intercept form is used to find the y-intercept and the slope of a straight line. If you look closely, it is a linear function too; meaning the function can tell you its domain and range.


  • 2.
    Determine the Slope-Y-int form from the graph.
  • 3.
    Determine the slope, Y-int, domain, and range of the following linear function.
  • 4.
    Given the slope & Y-Int, write the equation in the slope -intercept form
  • 7.
    Given two points through a line, find the slope-intercept form
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Slope intercept form: y = mx + b

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