s562930 s562930
  • 26-04-2017
  • Mathematics
contestada

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

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ghanami
ghanami ghanami
  • 27-04-2017
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)
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morgannelynnwyllie morgannelynnwyllie
  • 18-03-2021

D on edg 2021 :)

i hope i could help

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