Changing the Subject / Manipulating Surds Test

Unit Test #30

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

 Make x the subject of    3y - xy = 2x

Answer 1:

 

Q2:

 

Solve for x:  √(x + 3) = √(2x - 5) 

A. 5

B. 3

C. 8

D. 1.5
Answer 2:

 

Q3:

 

 Expand and simplify (√5 + 2)2

A. 9 + 4√5

B. 9 - 4√5

C. 49

D. 1 + 4√5

 
Answer 3:

 

Q4:

 

 Solve 22x = 32

A. x = 5

B. x = 10

C. x = 2

D. x = 2.5
Answer 4:

 

Q5:

 

 Solve the equation     3x = 8

A. 1.89

B. 1.98

C. 0.53

D. 2.67
Answer 5: