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1. |
Evaluate |-6p| if p = 2. |
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A. |
3 |
B. |
12 |
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C. |
0 |
D. |
-12 |
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Hint |
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2. |
Write  in standard form where A, B, and C are integers whose greatest common factor is 1. |
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A. |
 |
B. |
3x - 8y = 2 |
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C. |
3x + 8y = 16 |
D. |
3x - 8y = 16 |
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Hint |
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3. |
What is the x-intercept of the graph below? |
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 |
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A. |
-2 |
B. |
2 |
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C. |
3 |
D. |
-3 |
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Hint |
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4. |
If g(x) = |x + 3|, find g(-7). |
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A. |
10 |
B. |
-4 |
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C. |
4 |
D. |
-7 |
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Hint |
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5. |
Write an inequality to describe all the points on the coordinate plane
above y = -4. |
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A. |
y > 4 |
B. |
y < -4 |
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C. |
y < 4 |
D. |
y > -4 |
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Hint |
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6. |
State the solution of the system of equations graphed below. |
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A. |
(3, 1) |
B. |
(3, -1) |
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C. |
(0, 3) |
D. |
(-1, 3) |
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Hint |
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7. |
The solution of a system of three linear equations in three variables, x, y, and z, is called a(n) ____ (x, y, z). |
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A. |
ordered pair |
B. |
sum |
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C. |
integer |
D. |
ordered triple |
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Hint |
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8. |
Simplify  |
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A. |
4k - j2k3 |
B. |
2k - j2k |
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C. |
2jk - j2k3 |
D. |
2k - j2k3 |
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Hint |
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9. |
 |
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A. |
x |
B. |
|x| |
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C. |
x2 |
D. |
|x5| |
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Hint |
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10. |
Simplify  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Solve  |
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A. |
 |
B. |
 |
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C. |
no solution |
D. |
 |
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Hint |
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12. |
Solve 3y2 + 48 = 0. |
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A. |
 |
B. |
-4 |
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C. |
4 |
D. |
 |
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Hint |
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13. |
Find the product of -15i and its conjugate. |
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A. |
225i |
B. |
-225 |
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C. |
15i |
D. |
225 |
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Hint |
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14. |
Choose the line that has a slope of zero. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
When finding the equation for a line of fit for a scatter plot, you should use __________. |
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A. |
all of the points on the plot |
B. |
two points that you think represent the data well |
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C. |
the point most characteristic of the scatter plot |
D. |
the first and last points on the plot, with respect to the horizontal |
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Hint |
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16. |
Which graph represents the following system:  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 is supposed to work 5 hours more than worker 2, and worker 2 is supposed to work 15 hours more than worker 3. How long should each one work? |
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A. |
worker 1: 40worker 2: 45worker 3: 25 |
B. |
worker 1: 42.5worker 2: 37.5worker 3: 30 |
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C. |
worker 1: 45worker 2: 40worker 3: 25 |
D. |
worker 1: 45worker 2: 35worker 3: 30 |
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Hint |
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18. |
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: 44worker 2: 33worker 3: 33 |
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C. |
worker 1: 54worker 2: 28worker 3: 28 |
D. |
worker 1: 14worker 2: 48worker 3: 48 |
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Hint |
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19. |
Which of the following properties does not hold for matrices? |
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A. |
right distributive property |
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B. |
left distributive property |
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C. |
commutative property of multiplication |
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D. |
associative property of multiplication |
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Hint |
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20. |
 |
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A. |
36 |
B. |
6 |
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C. |
 |
D. |
72 |
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Hint |
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