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OpenStudy (anonymous):
y = x2 + 4x + 7 How do i write this quadratic function in vertex form?
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ganeshie8 (ganeshie8):
rewrite the second term as 2(2x)
ganeshie8 (ganeshie8):
\(y = x^2 + 4x + 7\) \(y = x^2 + 2(2)x + 7\)
ganeshie8 (ganeshie8):
remember the formula for (a + b)^2 ?
OpenStudy (anonymous):
oh, got it! thanks
ganeshie8 (ganeshie8):
good :) so whats the vertex form ha ?
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OpenStudy (anonymous):
oh i guess i don't never mind haha
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