Unit Test #8

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

A. a2
B. a3
C. a4
D. a8

Answer 1:

 

 

Q2:

 

2 + x + x + x is equal to A.2x3
B. 2 + x3
C. 2 + 3x
D. 5x

Answer 2:

 

 

Q3:

 

Simplify  A. 9a3
B. 9a2.5
C. 4a3
D. 4a2.5

Answer 3:

 

 

Q4:

 

(3 x 83) x (4 x 85 ) is equal to A. 7 x 88
B. 12 x 88
C. 7 x 815
D. 12 x 815

Answer 4:

 

 

Q5:

 

If xx = 64, the value of x is A. 4
B. 8
C. 16
D. not an integer

Answer 5:

 

 

Q6:

 

A. 3 x 10- 10
B. 3 x 10- 5
C. 3 x 10- 4
D. 3 x 10- 3

Answer 6:

 

 

Q7:

 

4 x 10- 4 x 2.5 x 105 = 10where the value of x is A. -1
B. 1
C. 2
D. 3

Answer 7:

 

 

Q8:

 

If 9x = 52 - 4then the value of x is A. 0
B. 0.5
C. 1
D. 2

Answer 8:

 

 

Q9:

 

(3x2)is equal to A. 3x6
B. 27x5
C. 27x6
D. 3x5

Answer 9:

 

 

Q10:

 

4a-2 is equal to A. 
B. 
C. 
D. 

Answer 10: