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Mathematics 17 Online
OpenStudy (anonymous):

F(x)=x2+8x+7 (find the vertex. I tried -b/2a but I need an x and y coordinate answer and it only worked for x! How do I find y? I did -b/2a for y too but it wasn't the right answer.):)

OpenStudy (anonymous):

hi i just answered this question in your previous post. i worked out the details there

OpenStudy (anonymous):

it is the x - value that uses \[-\frac{b}{2a}\]

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