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Algebra 2
Practice Quiz 61

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
Evaluate/Answer.
5.  8 - 12 div.gif (845 bytes) 4 + 6 div.gif (845 bytes) 8
7/4
23/4
7/8		 6.  Which is the quotient of 2/3 and  - 1/2 ?
- 4/3
- 3/4
- 1/3
7. Which is 342,000 in scientific notation ?
 3.42 x 105
3.42 x 10-5
5 x 10-3.42		 8.  -3n2 + 4n3 when n = -1
- 7
- 1
  1
9.  ( 3n + 9 ) div.gif (845 bytes) 2m when
n = -6 and m = 1/3
- 6
-18/3
- 27/2		 10. Which is a solution to x2 - 16 = 0 ?
- 4
- 16
  16
  4
11. Which is written in decreasing order ?
-  1/5, - 1/4, - 1/3, - 1/2
-2, 3, 0, -3
- 1/2, - 1/3, - 1/4, - 1/5
Solve.
12. –12 < 2x + 4 £ 6
– 8 < x £ 1
–12 < x  £ 6
  –1 < x £ 6		 13. x – 2 £ 5 or x + 3 ³ 6
x £   7   or  x ³ - 3
x £ - 7 or  x ³ 9
 x £ 7   or  x  ³ 3
14.  | 2x + 6 | = 12
- 9
- 3
  9
  3		 15.  | x | = 9
9
no solution
-9
16.  | x | = -9
- 9
no solution
  9		 17.   | x – 2 | £ 5
 x £ 7 or x ³ - 3
 x ³ 7 or  x  £ - 3
  x £ 7 or  x  £ - 3
18.  For  V = 1/3 p r2 h ,
which equation is correctly solved for h ?
1/3pr2
- 3 / pr2
  3V / pr2
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