What is the vertex form of $y= x^2+5x-14$ ?

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Answer 1 · 2016-05-21T11:48:52

Minimum is:
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If $a<0$ , then the vertex is maximum value.
If $a>0$ , then the vertex is a minimum value.
$a=1$

What is the vertex form of y= x^2+5x-14y= x^2+5x-14?