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Find the exact equation of the graph below. 9-29 HW eTool (Desmos).  

Write the equation by using the -intercepts. Don't forget you have a double root at . Add your constant of proportionality.

Find the constant of proportionality by substituting the -intercept for and .

Use the eTool below to help you with this problem.
Click the link at right for the full version of the eTool: CCA2 9-29 HW eTool