ABSOLUTE VALUE FUNCTIONS Solving Equations (Page 1 of 3)

Let's solve the absolute value equation abs(2x+1) = 8. We will use the intersection of graphs method. To do this, enter the left side of the equation as an absolute value function Y1 = abs(2x+1) and the right side as a constant function Y2 = 8, then graph them.

 Y= key. (Clear any previous functions)

 MATH key. [NUM] 1: menu selection. 2 X,T,theta,n key. Plus key. 1 Right parenthesis key. ENTER key.
 8

 Calculator screen image.
 ZOOM key. 6: menu selection. Calculator screen image.
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