tinachrist tinachrist
  • 19-05-2017
  • Mathematics
contestada

what is the solution, vertex , and y-intercept ?

what is the solution vertex and yintercept class=

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moonlightbae833
moonlightbae833 moonlightbae833
  • 19-05-2017
f(x) = -(x+7)² + 4

f(x) = -(x+7)(x+7) + 4
f(x) = -(x² + 7x + 7x + 49) + 4
f(x) = -x² - 14x - 49 + 4
f(x) = -x² - 14x - 45

True for f(x)
the equation is quadratic. 
the vertex is (7,4)
the y-intercept is (0,4)
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