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Rogelio Coffey
Mathematics
29 October, 19:25
How to Find the vertex of f (x) = -8x^2-8x+7
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Cherish
29 October, 19:27
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The answer to your question is: (1/2, 5)
Step-by-step explanation:
Parabola f (x) = 8x² - 8x + 7
y = 8x² - 8x + 7
Vertical Parabola equation
(x - h) ² = 4p (y - k) Transform the original equation to this form
8x² - 8x = y - 7
8 (x² - x + () ²) = y - 7 Complete squares
8 (x² - x + (1/2) ²) = y - 7 + 2 Simplification
8 (x² - x + 1/4) = y - 5
(x - 1/2) ² = 1/8 (y - 5)
Finally Vertex
(1/2, 5)
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