1.) Which function in vertex form is equivalent to f (x) = x2 + x + 1?

f (x) = [x + 1/4]2 + 3/4

f (x) = [x + 1/4]2 + 5/4

f (x) = [x + 1/2]2 + 3/4

f (x) = [x + 1/2]2 + 5/4

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Guest

31 December, 17:17

+4

Answers (1)

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Trystan House · Answer 1

Hello,

Answer C

x²+x+1 = (x²+2*1/2*x+1/4) + 1-1/4 = (x+1/2) ²+3/4

1.) Which function in vertex form is equivalent to f (x) = x2 + x + 1?f (x) = [x + 1/4]2 + 3/4f (x) = [x + 1/4]2 + 5/4f (x) = [x + 1/2]2 + 3/4f (x) = [x + 1/2]2 + 5/4