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7. Solve the following quadratic inequalities. a. x² + 6x > 7 c.-x² + 6x-920 b. 4x² - 7x ≤2 d. 2x² - 2x +3>0

7. Solve the following quadratic inequalities. a. x² + 6x > 7 c.-x² + 6x-920 b. 4x² - 7x ≤2 d. 2x² - 2x +3>0

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section9.8: Solve Quadratic Inequalities
Problem 393E: Describe the steps needed to solve a quadratic inequality graphically.
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7. Solve the following quadratic inequalities. a. x² + 6x > 7 c.-x² + 6x-920 b. 4x² - 7x ≤2 d. 2x² - 2x +3>0
Transcribed Image Text:7. Solve the following quadratic inequalities. a. x² + 6x > 7 c.-x² + 6x-920 b. 4x² - 7x ≤2 d. 2x² - 2x +3>0
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