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1. |
Write the equation of a circle with center C(4, -2) and a radius of 5 units. |
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A. |
(x - 4)2 + (y + 2)2 = 25 |
B. |
(x + 4)2 + (y - 2)2 = 5 |
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C. |
(x - 4)2 + (y + 2)2 = 5 |
D. |
(x + 4)2 + (y - 2)2 = 25 |
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Hint |
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2. |
What are the coordinates of the center of a circle defined by the equation (x + 3)2 + (y + 2)2 = 9? |
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A. |
(2,3) |
B. |
(3,2) |
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C. |
(-2,-3) |
D. |
(-3,-2) |
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Hint |
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3. |
Write the equation of a circle with center (-2, 4) and radius of 6 units. |
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A. |
(x + 2)2 - (y + 4)2 = 36 |
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B. |
(x + 2)2 + (y - 4)2 = 36 |
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C. |
(x + 2)2 - (y - 4)2 = 36 |
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D. |
(x - 2)2 + (y - 4)2 = 36 |
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Hint |
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4. |
What are the coordinates of the center of a circle defined by the equation (x + 7)2 + (y - 8)2 = 16? |
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A. |
(7, 8) |
B. |
(-7, 8) |
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C. |
(-7, -8) |
D. |
(7, -8) |
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Hint |
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5. |
Which graph is the correct graph for a circle defined by the equation (x + 3)2 + (y - 4)2 = 9? |
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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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