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1. |
Find [6,3,-1]. |
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A. |
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B. |
[3 3 -1] |
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C. |
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D. |
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Hint |
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2. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
6 × 1 |
B. |
3 × 1 |
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C. |
3 × 3 |
D. |
6 × 3 |
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Hint |
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3. |
The product gives the coordinates of two points on line AB that has been rotated 90° counterclockwise about the origin. Name the coordinates of A' and B'. |
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A. |
A'(-1, 1), B'(1, -3) |
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B. |
A'(1, -3), B'(1, 1) |
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C. |
A'(-1, -3), B'(1, 1) |
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D. |
A'(1, 1), B'(-1, -3) |
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Hint |
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4. |
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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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5. |
What is the equation of the directrix of the parabola with equation y = (x + 4)2 - 2? |
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A. |
x = - 2 |
B. |
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C. |
y = - 2 |
D. |
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Hint |
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6. |
Find the standard form of the equation 3x2 + 2y2 + 42x - 8y + 149 = 0. |
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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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7. |
Solve x2 + 3x - 10 = 0 by completing the square. |
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A. |
-5, 2 |
B. |
2, 5 |
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C. |
2 |
D. |
5 |
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Hint |
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8. |
Approximate the real zero of f(x) = x3 + x + 1 to the nearest tenth. |
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A. |
-0.7 |
B. |
-1.3 |
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C. |
-1.0 |
D. |
0.3 |
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Hint |
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9. |
One zero of p(x) = x3 - 3x2 - 6x + 8 is 1. Which of the following is another zero? |
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A. |
1 - i |
B. |
1 + i |
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C. |
4 |
D. |
-1 |
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Hint |
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10. |
Which equation is in quadratic form? |
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A. |
3x3 + 3x + 3 = 0 |
B. |
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C. |
x4 - x2 + x - 1 = 0 |
D. |
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Hint |
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11. |
Find if g(x) = x - 5 and h(x) = |x|. |
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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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12. |
What is the y-intercept of the graph of the line with equation  |
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A. |
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B. |
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C. |
-7 |
D. |
7 |
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Hint |
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13. |
If and find 4A – 5B. |
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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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14. |
Evaluate  |
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A. |
–38 |
B. |
128 |
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C. |
38 |
D. |
–128 |
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Hint |
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15. |
Simplify |
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A. |
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B. |
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C. |
2 |
D. |
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Hint |
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16. |
If the vertex of a parabola is (3, -4), what is its axis of symmetry? |
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A. |
y = 3 |
B. |
x = -4 |
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C. |
y = -4 |
D. |
x = 3 |
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Hint |
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17. |
Solve x2 + 7x < –12 algebraically. |
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A. |
{x| 3 < x < 4} |
B. |
{x| 4 < x < 3} |
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C. |
{x| –3 < x < –4} |
D. |
{x| –4 < x < –3} |
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Hint |
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18. |
Find consecutive values of x between which each real zero of the function is located. |
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A. |
0 and 1, 1 and 2 |
B. |
–1 and 0, 1 and 2 |
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C. |
–1 and 0, 0 and 1 |
D. |
–1 and 0, 0 and 1, and 1 and 2 |
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Hint |
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19. |
Find all the zeros of . |
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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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20. |
Which graph represents the ellipse ? |
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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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