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The vertex form of the equation of a parabola is y = 2(x+ 4)2 - 21.

What is the standard form of the equation?

User Charaf JRA
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1 Answer

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Answer:

y = 2x² + 16x + 11

Explanation:

first foil (x + 4)² to get x² + 8x + 16

distribute 2 to get 2x² + 16x + 32

subtract 21 from 32

User Ivan Uemlianin
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