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10-03-2020
Mathematics

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What is the y-value of the vertex of 4x(squared)+8x-8

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10-03-2020

Answer:

f(x)=-3(x^2+6x)-35

f(x)=-3(x^2+6x+9)+3*9-35

f(x)=-3(x^2+6x+9)+27-35

f(x)=-3(x+3)^2-8

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