maebe8thmalaco
maebe8thmalaco maebe8thmalaco
  • 29-06-2016
  • Mathematics
contestada

what is f(x) = 2x^2 28x – 5 written in vertex form? f(x) = 2(x 7)2 – 19 f(x) = 2(x 7)2 – 103 f(x) = 2(x 14)2 – 14 f(x) = 2(x 14)2 – 98

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caylus
caylus caylus
  • 01-07-2016
Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*49=2(x+7)²-103
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