Unit Test #41

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:

 

I multiply a number by 3 and add 6 and the result is 21. 
What is the number?

A. 1
B. 4
C. 5
D. 6
Answer 1:

 

Q2:

 

What is the value of x if 2x + 1 = 49 A. 25
B. 24
C. 50
D. 48
Answer 2:

 

Q3:

 

Solve:  A. 3
B. 8
C. 1/3
D. 48
Answer 3:

 

Q4:

 

Solve the equation 2x + 8 = 8 A. x = 0
B. x = 8
C. x = -8
D. x = 1
Answer 4:

 

Q5:

 

Solve the equation 2x − 2 = 18 A. x = 10
B. x = 9
C. x = 8
D. x = 7
Answer 5:

 

Q6:

 

Two thirds of a number is equal to 36. 
What is the number?
A. 24
B. 54
C. 45
D. 12
Answer 6:

 

Q7:

 

Solve the equation  A. 44
B. 38
C. 22
D. 11
Answer 7:

 

Q8:

 

Mark and Melinda's ages add up to 29.

use the equation 2x + 3 = 35,

where x is Mark's age, to help find out how old Melinda is.

A. 14
B. 13
C. 19
D. 15
Answer 8:

 

Q9:

 

Solve the equation 3 − 2x = 11 A. -4
B. 4
C. 8
D. -8
Answer 9:

 

Q10:

 

A number is multiplied by 3 and has 6 added to it. 
The answer is 66.
What is the number?
A. 24
B. 28 
C. 20
D. 33
Answer 10: