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1. |
Find the polar coordinates of R(-5, -7). |
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A. |
(8.60, 4.09) |
B. |
(4.90, 4.09) |
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C. |
(4.90, 0.95) |
D. |
(8.60, 0.95) |
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Hint |
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2. |
Write the rectangular equation x2 + y2 = 9 in polar form. |
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A. |
r = 3 or r = -3 |
B. |
r = 18 or r = -18 |
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C. |
r = 9 or r = -9 |
D. |
r = 6 or r = -6 |
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Hint |
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3. |
Find the rectangular coordinates of the point R . |
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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. |
Find the rectangular coordinates of the point K(4, 276°). |
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A. |
(0.42, -3.98) |
B. |
(-38.06, -38.06) |
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C. |
(-3.98, 0.42) |
D. |
(-2.38, -38.06) |
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Hint |
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5. |
Write the rectangular equation x2 + (y + 6)2 = 36 in polar form. |
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A. |
r = 12 sin  |
B. |
r = -12 sin |
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C. |
r = 6 sin |
D. |
r = -6 sin |
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Hint |
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