| |
| |
1. |
Evaluate 1.5 + |2x - 4| if x = -3. |
| |
|
A. |
11.5 |
B. |
-0.5 |
| |
|
C. |
3.5 |
D. |
-11.5 |
| |
|
Hint |
|
| |
2. |
Graph the solution set of  |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
3. |
Identify h(x) = [x] + 4. |
| |
|
A. |
absolute value function |
| |
|
B. |
greatest integer function |
| |
|
C. |
constant function |
| |
|
D. |
direct variation function |
| |
|
Hint |
|
| |
4. |
Choose the graph of f(x) = |x| - 2. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
Find the determinant of  |
| |
|
A. |
0 |
B. |
-11 |
| |
|
C. |
-21 |
D. |
-16 |
| |
|
Hint |
|
| |
6. |
Express 0.091 in scientific notation. |
| |
|
A. |
9.1 × 10-1 |
B. |
9.1 × 102 |
| |
|
C. |
9.1 × 101 |
D. |
9.1 × 10-2 |
| |
|
Hint |
|
| |
7. |
Find (c2 + 2c - 6)(c + 5). |
| |
|
A. |
c3 + 2c2 - 30 |
| |
|
B. |
c3 + 7c2 + 4c - 30 |
| |
|
C. |
c3 + 2c2 - 6c - 30 |
| |
|
D. |
c3 + 2c2 + 5 |
| |
|
Hint |
|
| |
8. |
Simplify  |
| |
|
A. |
13 |
B. |
±84.5 |
| |
|
C. |
±13 |
D. |
-13 |
| |
|
Hint |
|
| |
9. |
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Solve  |
| |
|
A. |
 |
B. |
5 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
11. |
Solve x2 - 6x = 0 by graphing or by factoring. |
| |
|
A. |
0, 6 |
B. |
-6, 0 |
| |
|
C. |
0 |
D. |
-6 |
| |
|
Hint |
|
| |
12. |
Find a quadratic equation with roots and . |
| |
|
A. |
4x2 - 6x + 1 = 0 |
B. |
8x2 - 3x + 14 = 0 |
| |
|
C. |
8x2 - 14x + 3 = 0 |
D. |
4x2 - x + 6 = 0 |
| |
|
Hint |
|
| |
13. |
Solve 9t2 - 15t + 4 0. |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
14. |
Which graph shows the inequality 5x – 2y 8? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
Solve the system of equations. –2x + 3y = 7 4x – 6y = 8. |
| |
|
A. |
y = –22, x = –36.5 |
B. |
y = –22, x = –31 |
| |
|
C. |
no solution |
D. |
y = –22, x = 29.5 |
| |
|
Hint |
|
| |
16. |
Which of the following is always true about inequalities whose graphs do not overlap? |
| |
|
A. |
Each slope is negative. |
B. |
Each slope is positive. |
| |
|
C. |
Their slopes are equal. |
D. |
Their slopes are opposite reciprocals. |
| |
|
Hint |
|
| |
17. |
What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? |
| |
|
A. |
H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) |
| |
|
B. |
H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) |
| |
|
C. |
H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) |
| |
|
D. |
H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
| |
|
Hint |
|
| |
18. |
Which of the following is prime? |
| |
|
A. |
7x2 – y2 |
B. |
3x2 – 6y |
| |
|
C. |
5xy>2 + 10y |
D. |
3xy + 13x2 |
| |
|
Hint |
|
| |
19. |
In the inequality what must q be greater than or equal to? |
| |
|
A. |
9 |
B. |
21 |
| |
|
C. |
0 |
D. |
5 |
| |
|
Hint |
|
| |
20. |
What must be done to the quadratic expression ax2 + bx in order to complete the square? |
| |
|
A. |
square b, then find one half of the result, and add to original. |
| |
|
B. |
find one fourth of b and add to original |
| |
|
C. |
square b and add to original |
| |
|
D. |
find one half of b, square this result, and add to original |
| |
|
Hint |
|
|
|