pencilman087
pencilman087 pencilman087
  • 08-05-2017
  • Mathematics
contestada

Write the quadratic function in vertex form. y = x2 + 18x + 71

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onekap
onekap onekap
  • 08-05-2017
y = x² + 18x + 71
y = x² + 18x + 81 + 71 - 81 

Then we can conclude that, y = (x + 9)² - 10.
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