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

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asked Jan 28, 2018 113k views

1 Answer

Greggles · Answer 1 · 2018-02-02T20:14:08+0000

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)

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

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