3. Find the values of b and c so f(x)=-8x² + bx+c has vertex (2, -7).

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
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3. Find the values of b and c so f(x)=-8x² + bx +c has vertex (2, -7).
4. Write a formula for a quadratic with the given features:
x-intercepts (-3, 0) and (1, 0), and y intercept (0, 2)
vertex at (5, 6), and y intercept (0, -1)
x-intercepts (5, 0) and (-2, 0), and passing through (2, 6) vertex at (-3, 2), and passing through (3, -2)
Transcribed Image Text:3. Find the values of b and c so f(x)=-8x² + bx +c has vertex (2, -7). 4. Write a formula for a quadratic with the given features: x-intercepts (-3, 0) and (1, 0), and y intercept (0, 2) vertex at (5, 6), and y intercept (0, -1) x-intercepts (5, 0) and (-2, 0), and passing through (2, 6) vertex at (-3, 2), and passing through (3, -2)
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