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Algebra Exponents and Roots Practice Test

based on 2 ratings
By — McGraw-Hill Professional
Updated on Sep 26, 2011

Review the following concepts if needed:

Algebra Exponents and Roots Practice Test

Roots Expressed as Exponents Solutions

(a) (6 x + 5) 5 (b) 6 x + 5 (c) (6 x + 5) –1 (d) (6 x + 5) 6

2 . ((10 x ) 4 ) 7 =

(a) (10 x ) 28 (b) 10 x 28 (c) (10 x ) 11 (d) 10 x 11

3 . ( xy ) 2 ( xy ) 9 =

(a) xy 11 (b) ( xy ) 18 (c) ( xy ) 11 (d) xy 18

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

(a) ( x + 100) 4 (b) x –4 + 100 –4 (c) –( x + 100) 4 (d) ( x + 100) –4

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

14 . (3 x 2 y 4 ) 3 =

(a) 3 x 5 y 7 (b) 3 x 6 y 12 (c) 9 x 5 y 7 (d) 27 x 6 y 12

15 . (–6 x ) 2 =

(a) 36 x 2 (b) –36 x 2 (c) 6 x 2 (d) –6 x 2

16 . (–x 5 )=

(a) –x 5 (b) x –1/5 (c) x –5 (d) x 1/5

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

22 . x 4 x 5 =

(a) x –1 (b) x (c) x 9 (d) x 20

Roots Expressed as Exponents Solutions

Roots Expressed as Exponents Solutions

26 . 5y 4 (3y 3 ) 2 =

(a) 15y 10 (b) 45y 10 (c) 15y 9 (d) 45y 9

Roots Expressed as Exponents Solutions

Solutions

1 . (b)

2 . (a)

3 . (c)

4 . (c)

5 . (d)

6 . (a)

7 . (b)

8 . (c)

9 . (a)

10 . (c)

11 . (a)

12 . (b)

13 . (a)

14 . (d)

15 . (a)

16 . (a)

17 . (b)

18 . (a)

19 . (c)

20 . (b)

21 . (a)

22 . (c)

23 . (d)

24 . (b)

25 . (c)

26 . (b)

27 . (a)

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