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1. |
Evaluate  if t = 8, u = -2, and v = 5. |
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A. |
2.8 |
B. |
0.2 |
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C. |
0.56 |
D. |
0.08 |
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Hint |
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2. |
Name the property illustrated by (3c · 6)2 = 3c(6 · 2). |
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A. |
commutative property of multiplication |
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B. |
associative property of addition |
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C. |
commutative property of addition |
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D. |
associative property of multiplication |
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Hint |
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3. |
Choose the scatter plot that has a prediction equation with a negative slope. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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4. |
State the solution of the system of equations graphed below. |
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A. |
(-1, 3) |
B. |
(0, 3) |
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C. |
(3, -1) |
D. |
(3, 1) |
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Hint |
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5. |
Solve the system of equations by using the elimination method. 
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A. |
(34, -13) |
B. |
(2, 3) |
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C. |
(12, -2) |
D. |
(4, 2) |
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Hint |
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6. |
Use Cramer's rule to solve the system of equations. 
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A. |
(0.2, 0.4) |
B. |
(0.011, 0.0055) |
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C. |
(-0.4, -0.2) |
D. |
(0.4, 0.2) |
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Hint |
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7. |
Write the matrix equation  as a system of linear equations. |
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A. |
-2s = 7
5t = 12 |
B. |
-2s + t = 12
5s + 8t = 7 |
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C. |
-2s + t = 7
5s + 8t = 12 |
D. |
-2s + 5t = 7
s + 8t = 12 |
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Hint |
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8. |
Choose the line whose slope is undefined. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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9. |
Name the property of equality illustrated by the following statement. If n – 3 = 5 + 4, then n – 3 = 9. |
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A. |
Symmetric |
B. |
Substitution |
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C. |
Reflexive |
D. |
Transitive |
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Hint |
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10. |
Solve the inequality | 5x + 2 |  12. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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11. |
Consider the function f (x) = -2(x + 8). Is this function a linear function? Why or why not? |
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A. |
No, f is not a function. |
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B. |
Yes, the function can be written in the form f (x) = mx + b. |
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C. |
No, the function cannot be written in the form f (x) = mx + b. |
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D. |
Yes, the coefficient of x is not zero. |
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Hint |
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12. |
A phone company charges for service as follows: they charge a certain amount for a visit, and then they charge a certain amount per hour after that. If a three-hour service visit costs $220, and a job that takes an hour and a half costs $145, how much is the cost of a visit before the amount of time spent is factored in? |
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A. |
$70 |
B. |
$25 |
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C. |
$217 |
D. |
$50 |
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Hint |
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13. |
What is the inequality represented in the graph? |
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A. |
3x – 2y  0 |
B. |
3x + 2y 0 |
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C. |
3x + 2y 0 |
D. |
3x – 2y 0 |
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Hint |
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14. |
Which of the following systems of equations is inconsistent? |
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A. |
y = 2x – 3 y = –3x + 4 |
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B. |
4y – x = 12 3y – 2x = 1 |
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C. |
3y + 2x = 13 6y + 4x = 3 |
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D. |
y = 7x – 2 y = –2x – 5 |
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Hint |
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15. |
At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 gets paid $10 per hour, worker 2 gets paid $12 per hour, and worker 3 gets paid $14 per hour. If the company wants their total income to be $1268, how many hours should each one work if worker 3 and worker 2 work for the same amount of hours? |
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A. |
worker 1: 40worker 2: 35worker 3: 35 |
B. |
worker 1: 54worker 2: 28worker 3: 28 |
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C. |
worker 1: 14worker 2: 48worker 3: 48 |
D. |
worker 1: 44worker 2: 33worker 3: 33 |
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Hint |
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16. |
What is always true of an n × n matrix? |
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A. |
It is a column matrix. |
B. |
It is a row matrix. |
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C. |
It is a square matrix. |
D. |
It has at least two rows and two columns. |
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Hint |
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17. |
If  and  find 3A + 2B. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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18. |
Find the area of a triangle whose vertices are located at (-3, 2), (0, -5), and (4, 4). |
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A. |
1 |
B. |
 |
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C. |
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D. |
55 |
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Hint |
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19. |
Vince and Brian each need two kinds of items at the store. Vince bought 10 of item A and 14 of item B, and spent $97. Brian bought 8 of item A and 25 of item B, and spent $119. How much did each item cost? |
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A. |
item A = $2.10
item B = $1.14 |
B. |
item A = $5.50
item B = $3 |
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C. |
item A = $1.14
item B = $2.10 |
D. |
item A = $3
item B = $5.50 |
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Hint |
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20. |
In a sport similar to football, there are two ways to score: by the run or by the pass. Team A scored 244 points, while Team B scored 273 points. Team A scored by the pass 21 times, and by the run 11 times. Team B scored by the pass 27 times, and by the run 6 times. How many points is each score worth? |
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A. |
pass = 9 pointsrun = 5 points |
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B. |
pass = 7 pointsrun = 14 points |
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C. |
pass = 5 pointsrun = 23 points |
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D. |
pass = 5 pointsrun = 9 points |
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Hint |
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