Question 677395
y = {{{2k^2+16k+12}}}
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y - 12 = {{{2k^2+16k}}}
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y - 12 = 2({{{k^2+8k}}})
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y - 12 + 2(16) = 2({{{k^2+8k+16}}})
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y - 12 + 32 = 2{{{(x+4)^2}}}
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y + 20 = 2{{{(x+4)^2}}}
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y = 2{{{(x- -4)^2}}} + -20
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Using y=a{{{(x-h)^2}}} + k
where vertex is (h,k)
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Vertex is: (-4,-20)
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{{{graph(300,200,-10,10,-25,5,2x^2+16x+12)}}}
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