practice
Directions: Choose the best answer for each question. Answer ALL of the questions (or only a few at a time), then use the CHECK ANSWER button at the bottom of the page to see your progress. If you see that an answer is incorrect, go back and redo that question and CHECK ANSWERS again. Unless otherwise stated, all variables refer to real number values.

1.  Which choice is equivalent to   | −12 | + | 12 | ?
  [1]  0   [2]  24   [3]  12   [4]  -12

 

2. Which choice is equivalent to   − | (5 − 9) | + | −8 | ?
  [1]  12
   [2]  −12   [3]  −4
   [4]  4

 

3. Simplify absfrac when x = −7.
  [1]  1
  [2]   −1   [3]  0   [4]  undefined

 

4.  Fill in the blank:   | x | + 10 is ____________ > 10.
  [1]   always   [2]  sometimes   [3]  never   [4]  unknown

 

5.  Which choice is equivalent to   | −10 | + | −6 | − | 10 | ?
[1]   6 [2]   −6 [3]   16 [4]   26

 

6.  Which choice when added to | −5 + 7 | will equal zero?
[1]   | +5 − 7 | [2]  − | −5 + 7 | [3]  | −( −5 + 7 ) | [4]   | 7 − 5 |

 

7.  Which choice is the additive inverse of | -9 | ?
  [1]  3
   [2]  9
   [3]  −9   [4]  −3

 

8.  Which expression represents the distance on a real number line from −4 to +9 ?
  [1]  | −4 − 9 |   [2]  | 9 − (−4) |   [3]  | −4 + 9 | [4]  Both 1 and 2

 

9.  Which choice is equivalent to   − | −7 | • | −7 | ?
  [1]  49
  [2]  −49   [3] 14
   [4]  −14

 

10.  Which choice is equivalent to abs10?
  [1]  abs10a   [2]  abs10b   [3] abs10c
   [4]  All Choices

 


divider

NOTE: The re-posting of materials (in part or whole) from this site to the Internet is copyright violation
 and is not considered "fair use" for educators. Please read the "Terms of Use".