| |
| |
1. |
Solve  |
| |
|
A. |
n =  |
B. |
n = 9 |
| |
|
C. |
n = 2 |
D. |
n =  |
| |
|
Hint |
|
| |
2. |
Solve the equation 3x + 7 = 5x - 2. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
Solve the equation 7 = 2 + 5(z - 2). |
| |
|
A. |
 |
B. |
2 |
| |
|
C. |
 |
D. |
3 |
| |
|
Hint |
|
| |
4. |
What is the probability that you roll an odd number on a six-sided number cube? |
| |
|
A. |
1:1 |
B. |
 |
| |
|
C. |
3:1 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Find the solution set for y = -2x if the domain is {-2, -1, 0, 5}. |
| |
|
A. |
{(-2, -4), (-1, -2), (0, 0), (5, 10)} |
| |
|
B. |
{(1, -2), (0.5, -1), (0, 0), (-2.5, 5)} |
| |
|
C. |
{(-4, -2), (-2, -1), (0, 0), (10, 5)} |
| |
|
D. |
{(-2, 4), (-1, 2), (0, 0), (5, -10)} |
| |
|
Hint |
|
| |
6. |
Solve  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
7. |
The sum of three times a number and 12 is at least -3 and at most 15. Find the solution set for this number. |
| |
|
A. |
{x | x < -5 or x > 1} |
B. |
{x | -5 < x < 1} |
| |
|
C. |
{x | -5 < x < 1} |
D. |
{x | -5 < x < 1} |
| |
|
Hint |
|
| |
8. |
Use elimination to solve the system of equations. -x + 2y = 18 x + 8y = -38 |
| |
|
A. |
(-22, -2) |
B. |
 |
| |
|
C. |
 |
D. |
(-5, -1) |
| |
|
Hint |
|
| |
9. |
Simplify Assume the denominator is not equal to zero. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Factor 20a4b2 - 15ab + 30a2b |
| |
|
A. |
5ab(4a3b - 3 + 6a) |
| |
|
B. |
5a2b(15a2b - 10 + 25a) |
| |
|
C. |
a2b(20a2b - 15 + 30a) |
| |
|
D. |
5(4a4b2 - 3ab + 10a2b) |
| |
|
Hint |
|
| |
11. |
Factor 8ac + 12ad + 10bc + 15bd. |
| |
|
A. |
(2c + 3d) + (4a + 5b) |
| |
|
B. |
4a(2c + 3d) + 5b(2c + 3d) |
| |
|
C. |
(8ac + 12ad) + (10bc + 15bd) |
| |
|
D. |
(2c + 3d)(4a + 5b) |
| |
|
Hint |
|
| |
12. |
Which of the following trinomials is a perfect square trinomial? |
| |
|
A. |
x2 + 16x + 16 |
| |
|
B. |
9a2 - 12a + 4 |
| |
|
C. |
4y2 + 10y + 25 |
| |
|
D. |
r2 - 6r + 36 |
| |
|
Hint |
|
| |
13. |
Write an expression for the area of the rectangle. |
| |
|
 |
| |
|
A. |
x2 - 3x + 13 |
B. |
9x2 – 31x + 40 |
| |
|
C. |
x3 + 4x2 – 27x + 40 |
D. |
x3 - 4x
|
| |
|
Hint |
|
| |
14. |
Evaluate 10 + |21 - x| - 3 if x = 9. |
| |
|
A. |
19 |
B. |
25 |
| |
|
C. |
28 |
D. |
22 |
| |
|
Hint |
|
| |
15. |
A pair of tickets to a hockey game cost $85.00. If the sales tax is 6%, what is the total price? |
| |
|
A. |
$58.51 |
B. |
$90.10 |
| |
|
C. |
$136.00 |
D. |
$90.31 |
| |
|
Hint |
|
| |
16. |
Find if f(x) = -12x +  |
| |
|
A. |
1 |
B. |
-8 |
| |
|
C. |
-9 |
D. |
0 |
| |
|
Hint |
|
| |
17. |
Solve the system of equations given by 5x – 2y = -6 and 15x – 6y = 6. |
| |
|
A. |
(1, 1) |
B. |
(-2, -2) |
| |
|
C. |
no solution |
D. |
infinitely many solutions |
| |
|
Hint |
|
| |
18. |
Which point is not in the solution set of and  |
| |
|
A. |
(-1, -2) |
B. |
(0, 0) |
| |
|
C. |
(4, 11) |
D. |
(5, 0) |
| |
|
Hint |
|
| |
19. |
Solve the following: (q + 2)2 = 25. |
| |
|
A. |
{–7} |
B. |
{–7, 3} |
| |
|
C. |
{–3, 3} |
D. |
{3} |
| |
|
Hint |
|
| |
20. |
Solve the following: y2 + 6y + 9 = 49. |
| |
|
A. |
{10, –4} |
B. |
{7} |
| |
|
C. |
{7, –7} |
D. |
{–10, 4} |
| |
|
Hint |
|
|
|