SYSTEMS OF EQUATIONS Solving Graphically (Page 7 of 8)

Now evaluate either Y1 or Y2 at this value of x to obtain the corresponding y-coordinate. This can be done on the Home screen. We will use Y1.

 2nd QUIT key. CLEAR key.

 VARS key. [Y-VARS] 1: menu selection. 1: menu selection. ENTER key.

 Calculator screen image.

The current value of x (the intercept) is used to evaluate Y1. It is important to do this step immediately, otherwise you might change the value stored in variable x and the intercept will be "lost".
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