CLASS 411 - PRE-ALGEBRA

Chapter 12 - Graphing Lines

 

Topics in this chapter: (click on any topic to review examples)

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12.2 = Slope of a line

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12.3 = Graphing using Slope/intercept

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12.?? = Extra Bonus: Systems of Equations

 

The Basics - Info you need to know for the test!

General Equation:  y = mx + b

 

Slope = OR

 

 

Intercepts ... the point where our line crosses
the x and/or y axis.

** In slope/intercept format, the y-intercept is "b"

** x-intercept = we need to do some work. In your equation, substitute the value zero for the y variable then solve for x. (sounds easy???)

 

 
 

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