shargrett
shargrett shargrett
  • 13-06-2016
  • Mathematics
contestada

Rewrite f(x) = –2(x − 3)2 + 2 from vertex form to standard form. pleae help.

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Panoyin
Panoyin Panoyin
  • 13-06-2016
f(x) = -2(x - 3)² + 2
f(x) = -2(x - 3)(x - 3) + 2
f(x) = -2[x(x - 3) - 3(x - 3)] + 2
f(x) = -2[x(x) - x(3) - 3(x) - 3(-3)] + 2
f(x) = -2(x² - 3x - 3x + 9) + 2
f(x) = -2(x² - 6x + 9) + 2
f(x) = -2(x²) - 2(-6x) - 2(9) + 2
f(x) = -2x² + 12x - 18 + 2
f(x) = -2x² + 12x - 16
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yodaddy12345
yodaddy12345 yodaddy12345
  • 13-06-2016
f(x)=-2(x-3)2+2=f(x)=-2(x-3)
Answer Link

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