Christian is rewriting an expression of the form y = ax2 + bx + c in the form y = a(x – h)2 + k. Which of the following must be true? A.h and k cannot both equal zero B.k and c have the same value C.the value of a remains the same D.h is equal to one half –b

(1) Answers

C because the new form is equal with "y=ax^2-2xh+ah^2+k"and in this expressin -2h is equal to b so h is one half -b

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