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1. |
Identify h(x) = [x] + 4. |
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A. |
greatest integer function |
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B. |
direct variation function |
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C. |
constant function |
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D. |
absolute value function |
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Hint |
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2. |
Choose the graph of  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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3. |
Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix. |
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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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4. |
Solve  |
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A. |
 |
B. |
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C. |
5 |
D. |
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Hint |
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5. |
What is the conjugate of 12 - 4i? |
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A. |
-4i |
B. |
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C. |
12 + 4i |
D. |
12 |
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Hint |
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6. |
Use the graph to determine the solution(s) of
x2 - x - 6 = 0. |
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A. |
-3, 2 |
B. |
-2 |
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C. |
-6 |
D. |
-2, 3 |
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Hint |
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7. |
What are all of the rational zeros of the function
q(x) = x4 - x3 + 4x2 - 4x? |
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A. |
0, 1, ±2 |
B. |
0 |
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C. |
0, 1 |
D. |
0, -2 |
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Hint |
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8. |
Evaluate p · (p + 3q) r if p = -7, q = 4, and r = -16. |
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A. |
-51 |
B. |
45 |
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C. |
-19 |
D. |
77 |
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Hint |
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9. |
Is the relation shown in the graph a function? Why or why not? |
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A. |
Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line. |
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B. |
No, the relation contains the ordered pairs (0, -1) and (3, -1). |
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C. |
No, the relation contains the ordered pairs (3, -1) and (3, 2). |
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D. |
Yes, the relation contains very few ordered pairs. |
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Hint |
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10. |
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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11. |
Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit? |
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A. |
19.8 |
B. |
11 |
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C. |
-12.2 |
D. |
51.8 |
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Hint |
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12. |
What is the slope of the line with equation  |
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A. |
7 |
B. |
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C. |
-7 |
D. |
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Hint |
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13. |
Solve the system of equations. 2x + 3y = 7
4x 6y = 8. |
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A. |
y = 22, x = 31 |
B. |
no solution |
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C. |
y = 22, x = 29.5 |
D. |
y = 22, x = 36.5 |
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Hint |
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14. |
Find the coordinates of the vertices of the figure formed by  |
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A. |
(3, 0), (5, 4 ), (5, 2) |
B. |
(4, 0), (3, 4), (5, 2) |
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C. |
(3, 0), (3, 4), (5, 2) |
D. |
(4, 0), (5, 4), (5, 2) |
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Hint |
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15. |
Which of the following is true concerning matrix multiplication of three matrices A, B, and C? |
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A. |
AB = BA for no cases |
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B. |
AB = BA for all cases |
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C. |
(A + B)C = CA + CB |
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D. |
C(A + B) = CA + CB |
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Hint |
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16. |
Find the coordinates of the vertices of the image of a triangle FGH with F(-4, 2), G(-3, -3), H(3,4) after it is rotated 270° counterclockwise about the origin. |
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A. |
F'(2, -4), G'(-3, -3),H'(4, 3) |
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B. |
F'(-2, 4), G'(3, 3),H'(-4, -3) |
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C. |
F'(2, 4), G'(-3, 3),H'(4, -3) |
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D. |
F'(4, 2), G'(3, -3),H'(-3, 4) |
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Hint |
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17. |
Evaluate  |
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A. |
128 |
B. |
38 |
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C. |
38 |
D. |
128 |
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Hint |
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18. |
Simplify  |
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A. |
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B. |
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C. |
27x3ny6 |
D. |
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Hint |
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19. |
Determine whether the expression 5x3y3 x2y2 is a polynomial. |
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A. |
Yes. |
B. |
No, because there are two variables. |
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C. |
No, because there are two terms. |
D. |
Cannot be determined from given information. |
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Hint |
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20. |
What is the negative solution of the equation  ? |
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A. |
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B. |
5 |
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C. |
3 |
D. |
3 |
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Hint |
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