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1. |
Graph the point  . |
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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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2. |
Graph  |
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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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3. |
The graph of  is a _____. |
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A. |
rose |
B. |
limaçon |
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C. |
circle |
D. |
lemniscate |
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Hint |
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4. |
Find the polar coordinates of R(-5, -7). |
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A. |
(8.60, 0.95) |
B. |
(4.90, 4.09) |
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C. |
(8.60, 4.09) |
D. |
(4.90, 0.95) |
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Hint |
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5. |
Find the absolute value of the complex number  . |
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A. |
2 |
B. |
1 |
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C. |
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D. |
-2 |
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Hint |
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6. |
Express the complex number -4 - 3i in polar form. |
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A. |
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B. |
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C. |
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D. |
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7. |
Solve the equation x3 - 27 = 0. |
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A. |
3,  ,  |
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B. |
3,  ,  |
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C. |
3,  ,  |
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D. |
3,  ,  |
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Hint |
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8. |
Find (1 + i)-6. |
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A. |
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B. |
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D. |
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9. |
The point P with polar coordinates  can also be represented in polar coordinates as __________. |
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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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10. |
Find the rectangular coordinates of the point K(4, 276°). |
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A. |
(-2.38, -38.06) |
B. |
(-3.98, 0.42) |
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C. |
(0.42, -3.98) |
D. |
(-38.06, -38.06) |
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Hint |
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11. |
Write the equation x + 11y = -3 in polar form. |
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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. |
Which of the following is the graph of the equation 4 = -r cos ( - 58°)? |
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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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13. |
Simplify  . |
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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 i4n +2, where n is a positive integer. |
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A. |
i |
B. |
1 |
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C. |
-1 |
D. |
-i |
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Hint |
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15. |
Find the product 3 (cos 2.8 + i sin 2.8) · 5 (cos 0.6 + i sin 0.6). Express the answer in rectangular form, approximating a and b to the nearest hundredth. |
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A. |
-0.87 + 7.95i |
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B. |
-1.63 + 14.91i |
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C. |
-8.83 + 12.13i |
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D. |
-14.50 - 3.83i |
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Hint |
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16. |
Find the quotient  . Express the result in rectangular form. |
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A. |
-6.96 - 0.76i |
B. |
1.07 + 6.92i |
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C. |
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D. |
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Hint |
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