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?
h and k cannot both equal zero
k and c have the same value
the value of a remains the same
h is equal to one half –b

Question

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?
h and k cannot both equal zero
k and c have the same value
the value of a remains the same
h is equal to one half –b

anonymous · Answer

K and C have the same value remember how we left out the 9 before and factored the rest. K and c are the 9 here

anonymous · Answer

hmmm

anonymous · Answer

what

anonymous · Answer

i think it is rare that $c$ and $k$ would have the same value
very rare

anonymous · Answer

for example $$3(x-2)^2+5=3 x^2-12 x+17$$