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Again move the cursor near the point of intersection and press ENTER.
The screen now displays the following:
Simply press ENTER a third time and the screen displays the coordinates of the point of
intersection:
w
The solution to the equation is x = -0.5.
3 3 Check:
The calculator now has x = -0.5 automatically stored. To check the answer
type 3(x - 2) on the home screen and press enter. Do the same for 5(x - 1). You obtain
the following:
w
The solution checks.
1.5 Solving Inequalities
Example 8 Solving Combined Inequalities
Solve the inequality -5 < 3x - 2 < 1 and draw a graph to illustrate the solution.
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