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What is f(x) = 7x^2 + 42x written in vertex form?

What is f(x) = 7x^2 + 42x written in vertex form?
asked 100k views
5 votes
What is f(x) = 7x^2 + 42x written in vertex form?

asked
User Sivuyile TG Magutywa
by
8.2k points

2 Answers

5 votes

D on edg 2021 :)

i hope i could help

answered
User Alex Borsody
by
8.0k points
4 votes
hello :
f(x) =7x²+42x
f(x) = 7(x²+6x)
f(x) = 7 (x²+2(3)(x)+3²-3²)
f(x) = 7 ((x+3)² -9)
f(x) =7(x+3)² -63....( vertex form)
answered
User Mohamed Benkedadra
by
8.2k points
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