1. $[-4, 0]$
2. $[-1, 4]$
3. $(-\infty, -3) \cup (2, \infty)$
4. $(-\infty, -1) \cup (3, \infty)$
5. $(-\infty, -3) \cup (5, \infty)$
6. $(-\infty, -6] \cup [3, \infty)$
7. $(-\infty, -5] \cup [2, \infty)$
8. $(-\infty, -3] \cup [12, \infty)$
9. $(-8, 1)$
10. $(-\infty, -3) \cup (\frac{3}{7}, \infty)$
11. $[-5, 8]$
12. $(-\infty, -2) \cup (5, \infty)$
13. $(-1, 4)$
14. $(-\infty, -7) \cup (5, \infty)$
15. $(-\infty, -\frac{3}{2}) \cup (1, \infty)$
16. $(-\infty, \frac{1}{4}] \cup [1, \infty)$
17. $(-2, 3)$
18. $(-\infty, -1] \cup [\frac{3}{2}, \infty)$
19. $(-\infty, 3) \cup [7, \infty)$
20. $(-4, -\frac{7}{3}]$
21. $(-\infty, -\frac{13}{5}) \cup (-\frac{3}{2}, \infty)$
22. $(-\infty, -3) \cup [\frac{1}{2}, \infty)$
23. $[-1, 6)$
24. $(-\infty, -\frac{11}{4}] \cup (4, \infty)$
25. $[-\frac{3}{2}, -\frac{1}{2}] \cup (1, \infty)$
26. $(-\infty, -\frac{5}{2}) \cup [-\frac{1}{3}, \frac{5}{2})$
27. $(-1, 0] \cup [4, \infty)$
Parent Tip: Review the logic above to help your child master the concept of quadratic inequality worksheet.