tinachrist tinachrist

19-05-2017
Mathematics

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

what is the solution vertex and yintercept class=

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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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