CPM Homework Help : CCA2 Problem 9-29

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

Curved continuous graph, with arrows at both ends, that falls from the top left, to the point, (negative 2, comma 0), then rises to the approximate point, (0.7, comma 2.4), then falls down & right. Graph passes through the point (0, comma 2).

Hint:

Write the equation by using the $x$ -intercepts. Don't forget you have a double root at $x = -2$ . Add your constant of proportionality.

More Help:

Find the constant of proportionality by substituting the $y$ -intercept $(0, 2)$ for $x$ and $y$ .

Partial Answer:

$y=k(x+2)(x+2)(x-2)$

Answer:

$y =-\frac{1}{4}(x-2)(x+2)^2$

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