MATH 121
ABSOLUTE VALUE

 

1. |x| = 2

2. |x| < 3

3. |x| = -1

4. |x| < -1

5. |x| > -1

6. |x - 1| < 0

7. |x - 2| < 4

8. |x + 2| > 5

9. |2x + 3| < 7

10. |4x - 9| < 8

11. |3x - 2| = 5

12. |x + 3| = 4

 

ANSWERS:

1. 2, -2 5. All R 9. -5 < x < 2
2. -3 < x < 3 6. 1 10.
3. ∅ 7. -2 < x < 6 11. x = -1, x =
4. ∅ 8. x < -7 or x > 3 12. x = -7, x = 1

121ABVAL.HDT