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OpenStudy (anonymous):
Graph this quadratic function. y=(-x+2)(x+8)
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OpenStudy (anonymous):
its a quadratic equation. it ll be a parabola.
OpenStudy (anonymous):
how do you find the vertex?
OpenStudy (anonymous):
find the derivative and you set it to zero. Solve for x then. After that you plug it back in to the original equation to find the y value.
OpenStudy (anonymous):
Do you understand?
OpenStudy (anonymous):
|dw:1344435339327:dw| vertex
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