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Algebra 2
Practice Quiz 43b

Click the circle next to the correct response.
Be sure to click the OK button to continue.


Solve each equation for x.

1.  8 + x = -5x – 16
-8
-4
  4
 		 2.  6 – 2x = 7x – 12
  2
-8
-2
 
3.  4(x – 1) = 21 – x
11/2
7
5
 		 4.  - 1/3(x + 1) = 5x – 6
25/4
17/16
5/2
 
5.  | x | = -5
no solution
- 5
  5
 		 6.  | x | = 5
no solution
- 5
  5
 
7. | x + 4 | = 10
no solution
- 14
  6
 		 8.  | 4 - 2x | £ 10
no solution
– 3 < x £ 7
x £ 7 and x  ³ 3
 
9. –12 < 2x + 4 £ 6
– 8 < x £ 1
–12 < x  £ 6
  –1 < x £ 6
 		 10. x – 2 ³ 5 or x + 3 £ 6
x £ - 7 or x ³ 3
x £ - 5 or x ³ 6
 x £ 7 or x  ³ 3
 
Evaluate/Answer.
11.  8 - 12 div.gif (845 bytes) 4 + 6 div.gif (845 bytes) 8
7/4
23/4
7/8
 		 12. Which is the reciprocal of  2/3 ?
- 2/3
  - 3/2
3/2
 
13.  Which is the quotient of 2/3 and  - 1/2 ?
- 4/3
- 3/4
- 1/3
 		 14.  -3n2 + 4n3 when n = -2
- 20
- 44
  20
 
15.  ( 3n + 9 ) div.gif (845 bytes) 2m when
n = -6 and m = 1/3
- 6
-18/3
- 27/2
 		 16. Which is 0.0000003 in scientific notation ?
 3 x 107
3 x 10-7
7 x 10-3
17. Which is a solution to x2 - 9 = 0 ?
- 3
- 9
  9
  3
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