Unit 1: Expressions and Equations Review Name: _____________________

1. What is the pattern of these exponents

(x9)(x4) = x13

(x10)(x12) = x22

(x7)(x15) = x22

2.

3.

4.

5.

6. (t6)(t)(tk)

7. 0.4x + 9.2 = 10

8. 42

1

4

1t

9. 15m – 30 – 6m = 6

10. 3(4m - 3) - 6m = 9

11. 3x + 7 = x – 15

12. -5(3x + 1) = 6x + 2

13. 3

2

5

4

5

2x x

14. 5x + 4 – 7x = 5 + x – 13

15. 9x – 4 = 4(x-1) – 5x + 4

16.

17. (2x2y)(5x-2y3)

18.

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