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4 votes
What's the answer to vertex y=x²+16x+71

User Nuway
by
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1 Answer

4 votes

y = x^2 + 16x + 71

y - 71 = x^2 + 16x

y - 71 + (8)^2 = x^2 + 16x + (8)^2

y - 71 + 64 = x^2 + 16x + 64

Factor and simplify

y - 7 = (x + 8)^2

Vertex = (-8, 7)

User Jakob Runge
by
8.9k points

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