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1. |
Describe the line that is graphed below. |
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A. |
passes through the point (3,-2) with a slope of  |
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B. |
passes through the point (3,-2) with a slope of  |
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C. |
passes through the point (3,-2) with a slope of  |
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D. |
passes through the point (3,2) with a slope of  |
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Hint |
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2. |
A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? |
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A. |
f(-2, 3) |
B. |
f(3, 1) |
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C. |
f(2, -2) |
D. |
f(4, 6) |
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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. |
 |
B. |
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C. |
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D. |
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Hint |
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4. |
Express 0.091 in scientific notation. |
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A. |
9.1 × 10-2 |
B. |
9.1 × 10-1 |
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C. |
9.1 × 101 |
D. |
9.1 × 102 |
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Hint |
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5. |
Simplify  |
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A. |
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B. |
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C. |
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D. |
5t3u3v4 |
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Hint |
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6. |
Simplify (4r - s) - (r + 2s) + (3r - s). |
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A. |
8r |
B. |
6r - 4s |
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C. |
3r - 2s |
D. |
6r - 3s |
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Hint |
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7. |
Solve  |
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A. |
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B. |
5 |
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C. |
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D. |
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Hint |
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8. |
Simplify i17. |
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A. |
i |
B. |
-1 |
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C. |
-i |
D. |
1 |
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Hint |
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9. |
Solve 3y2 + 48 = 0. |
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A. |
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B. |
4 |
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C. |
-4 |
D. |
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Hint |
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10. |
Find the product of -15i and its conjugate. |
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A. |
225i |
B. |
15i |
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C. |
-225 |
D. |
225 |
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Hint |
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11. |
Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? |
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A. |
3x2 + 6x - 4 |
B. |
3 |
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C. |
3x2 |
D. |
x2 |
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Hint |
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12. |
Solve x2 - 6x = 0 by graphing or by factoring. |
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A. |
-6, 0 |
B. |
0 |
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C. |
0, 6 |
D. |
-6 |
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Hint |
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13. |
One of the factors of x3 - 7x + 6 is x - 1. Which of the following is one of the other factors? |
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A. |
x - 3 |
B. |
x - 6 |
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C. |
x - 2 |
D. |
x + 1 |
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Hint |
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14. |
Graph f(x) = x3 - 4x2 + 2x 3. |
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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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15. |
Which of the following systems of equations is not consistent and independent? |
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A. |
y 5x = 1 4y + 3x = 8 |
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B. |
7y + x = 9 3y + 9x = 4 |
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C. |
y + 4x = 10 6y + 24x = 60 |
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D. |
2y + 4x = 3 7y + 5x = 18 |
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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. |
 |
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A. |
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B. |
no real solution |
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C. |
3 |
D. |
3 |
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Hint |
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18. |
Solve  |
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A. |
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B. |
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C. |
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D. |
x > 0 |
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Hint |
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19. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
6, 8 |
B. |
6, 8 |
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C. |
7 |
D. |
7 |
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Hint |
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20. |
Which graph best represents the function  ? |
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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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