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OpenStudy (anonymous):

-x^2-x+2 find teh vertext

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OpenStudy (anonymous):

Vertex forumla is -b/2a

OpenStudy (anonymous):

ax^2+bx+c

OpenStudy (anonymous):

-1/2(-1)

OpenStudy (anonymous):

1/2

OpenStudy (anonymous):

Good, that's the x value, now plug that in to find y

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