CPM Homework Help : CCA Problem 9-105

Graph and shade the solution for the inequality below.

$y\le x^2+2x-8$

Hint:

Choose values for $x$ and solve for $y$ in order to find points on the graph.

Step 1:

$0\le0^2+2(0)-8$

$0\le-8$

False. Therefore, it is not shaded on the inside of the graph.

Test a point on one inside of the graph. Try $(0,0)$ .

Step 2:

Shade in the area opposite the point $(0,0)$ .

Use the eTool below to help graph the inequality.
Click on the link at right for the full eTool version: 9-105 HW eTool