Solve for the directrix of the parabola y2 + 8x = 32

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter10: Quadratic Equations
Section10.5: Graphing Quadratic Equations
Problem 10.93TI: Find the intercepts of the parabola y=3x2+4x+4 .
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Solve for the directrix of the parabola y2 + 8x = 32

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