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Darren Atkinson
Mathematics
Today, 11:04
F (x) = x ^ 2 + 6x - 4 in vertex form
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2
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Jaydin Prince
Today, 11:08
0
f (x) = (x + 3) ² - 13
Step-by-step explanation:
The equation of a parabola in vertex form is
f (x) = a (x - h) ² + k
Given
f (x) = x² + 6x - 4
Using the method of completing the square
add/subtract (half the coefficient of the x - term) ² to x² + 6x
f (x) = x² + 2 (3) x + 9 - 9 - 4
f (x) = (x + 3) ² - 13 ← in vertex form
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Deandre Vaughan
Today, 11:18
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Answer:y = (x-6) ^2-4
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