F. Solve each quadratic inequality. 1. x² + x-20 > 0 2.4x² ≥ 25 3.x²4x<-4

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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F. Solve each quadratic inequality.
1. x² + x-20 > 0
2.4x² ≥ 25
3.x²4x<-4
4. 17x + 12 - 6x²
5. (x4) (x+4) ≤ 9
6. 3x²2x < 40 + x²
Transcribed Image Text:F. Solve each quadratic inequality. 1. x² + x-20 > 0 2.4x² ≥ 25 3.x²4x<-4 4. 17x + 12 - 6x² 5. (x4) (x+4) ≤ 9 6. 3x²2x < 40 + x²
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