The vertex form of the equation of a parabola is y = 2(x+ 4)2 - 21.
1 answer:
Answer:
y = 2x² + 16x + 11
Step-by-step explanation:
first foil (x + 4)² to get x² + 8x + 16
distribute 2 to get 2x² + 16x + 32
subtract 21 from 32
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