| |
| |
1. |
Find the value of 5 + 22 - 8 + 3. |
| |
|
A. |
-4 |
| |
|
B. |
2 |
| |
|
C. |
-2 |
| |
|
D. |
4 |
| |
|
Hint |
|
| |
2. |
The values in the graph below are _______ |
| |
|
 |
| |
|
A. |
irrational numbers. |
B. |
rational numbers. |
| |
|
C. |
integers. |
D. |
natural numbers. |
| |
|
Hint |
|
| |
3. |
Which statement is true about the graph shown below? |
| |
|
 |
| |
|
A. |
The relation is not a function. |
B. |
The range is {-3, -2, 0, 1}. |
| |
|
C. |
The domain is {-3, 2, 4}. |
D. |
The relation is a function. |
| |
|
Hint |
|
| |
4. |
Which function is not linear? |
| |
|
A. |
f(x) = 14x + 7 |
B. |
f(x) = 2x3 |
| |
|
C. |
f(x) = 8 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Write an inequality to describe all the points on the coordinate plane
above y = -4. |
| |
|
A. |
y > 4 |
B. |
y < -4 |
| |
|
C. |
y > -4 |
D. |
y < 4 |
| |
|
Hint |
|
| |
6. |
Find the dimensions of A6 × 3 · B3 × 1. |
| |
|
A. |
6 × 1 |
B. |
3 × 1 |
| |
|
C. |
6 × 3 |
D. |
3 × 3 |
| |
|
Hint |
|
| |
7. |
Evaluate  using diagonals. |
| |
|
A. |
37 |
B. |
107 |
| |
|
C. |
33 |
D. |
21 |
| |
|
Hint |
|
| |
8. |
Simplify  |
| |
|
A. |
k17 |
B. |
k3 |
| |
|
C. |
 |
D. |
k-3 |
| |
|
Hint |
|
| |
9. |
Solve x2 - 6x + 25 = 0. |
| |
|
A. |
6 ± 8i |
B. |
 |
| |
|
C. |
-3 ± 4i |
D. |
3 ± 4i |
| |
|
Hint |
|
| |
10. |
If y varies directly as x and y = 2 when x = 4, find x when y = 4. |
| |
|
A. |
16 |
B. |
2 |
| |
|
C. |
4 |
D. |
8 |
| |
|
Hint |
|
| |
11. |
If y varies jointly as x and z and y = 12 when x = 2 and z = 3, find y when x = - 3 and z = 0.5. |
| |
|
A. |
-3 |
B. |
27 |
| |
|
C. |
-18 |
D. |
2 |
| |
|
Hint |
|
| |
12. |
Solve  |
| |
|
A. |
-1 |
B. |
0 |
| |
|
C. |
-1, 4 |
D. |
1, 4 |
| |
|
Hint |
|
| |
13. |
Solve 6z > 39. |
| |
|
A. |
{z | z < 234} |
B. |
{z | z > 234} |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
14. |
Solve the system 4y – 6x + 8z = 13, 10y – 15x + 20z = 6, y – 5x + 2z = 5. |
| |
|
A. |
infinite solutions |
B. |
 |
| |
|
C. |
(-3, 1, 7) |
D. |
no solution |
| |
|
Hint |
|
| |
15. |
What are the dimensions of matrix A if  |
| |
|
A. |
3 × 3 |
B. |
4 × 3 |
| |
|
C. |
4 × 4 |
D. |
3 × 4 |
| |
|
Hint |
|
| |
16. |
Simplify (7x2 + 2x – 3) – (2x2 – 11x + 4) |
| |
|
A. |
5x2 + 13x – 7 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
17. |
Which of the following functions has a hole and a vertical asymptote? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
18. |
What type of function is y = 2? |
| |
|
A. |
rational |
B. |
constant |
| |
|
C. |
absolute value |
D. |
direct variation |
| |
|
Hint |
|
| |
19. |
Solve 62x > 5x + 2. |
| |
|
A. |
x > 1.63 |
B. |
x > 0.82 |
| |
|
C. |
x > 0.85 |
D. |
x > 1.82 |
| |
|
Hint |
|
| |
20. |
Cody and Earl started their first week with a garden of 20 tomatoes. Each week, they grew three times as many tomatoes as they had at their home. If they eat 10 tomatoes per week, how many tomatoes will be grown in the fifth week? |
| |
|
A. |
150 |
B. |
1570 |
| |
|
C. |
420 |
D. |
1620 |
| |
|
Hint |
|
|
|