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Aneli [31]
3 years ago
15

What is the first step in writing f(x) = 3x2 + 6x – 8 in vertex form?

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer:

Factor out 3 from the first two terms.

Step-by-step explanation:

kkurt [141]3 years ago
5 0
The first step in writing f(x) = 3x² + 6x - 8 in vertex form is

E. Factor out 3 from the first two terms.

f(x) = 3x² + 6x - 8
f(x) = 3(x² + 2x) - 8
f(x) + 8 = 3(x² + 2x + __)
f(x) + 8 + 1 = 3(x² + 2x + 1)
f(x) + 9 = 3(x+1)²
f(x) = 3(x+1)² - 9

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