ACTIVITY 2
Directions: Find the solution set in interval notation of each of the following quadratic
inequalities.
1. x² + 2x - 8> 0
2. 12 - 4x - ≤ 0
3. x² + 2x + 3 < 0
4. x² + 3x > 10
5. x² + 6x < -5
6. x² + 9x > -14
7. 2x²+ 7x 58
8. 2x² + 9x>5
9. x² - 3x - 180
10. 3x² + 10x 28
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Answer:
1.