Asker11 Asker11

10-05-2016
Mathematics

contestada

rewrite the function y= x^2 + 14x + 4 in vertex form

rewrite the function y x2 14x 4 in vertex form class=

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apologiabiology apologiabiology

10-05-2016

vertex form is basically commplete the square
y=a(x-h)^2+k

y=x^2+14x+4
take 1/2 of 14 and square it, (7^2=49)
add that and its negative to right side
y=x^2+14x+49-49+4
factor perfect squaer
y=(x+7)^2-49+4
y=(x+7)^2-45

answer is A

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