After graphing on a graphing calculator, you can easily see that one -intercept is . Use this information to find all of the -intercepts. .
If is an intercept, then is a factor. Divide the given polynomial by , and then use the Quadratic Formula or factor to find the other intercepts.
Use the eTool below to view the graph.Click the link at right for the full eTool version: CCA2 10-174 HW eTool.
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