Nick wrote the function p(x) = 17 + 42x – 7x2 in vertex form. His work is below.
1 answer:
Answer:
step 3
Step-by-step explanation:
he should have subtracted 9 to the outside.
whatever you do to the inside you must do to the opposite to the outside
so your final form must be -7(x-3)^2 + 8
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