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Unit Test #47
Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.
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Q1:
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What is the radius of the circle x2 + y2 = 36? |
A. 36
B. 18
C. 9
D. 6
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Answer 1:
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Q2:
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What is the semi-minor axis of the ellipse,
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A. 36
B. 25
C. 6
D. 5
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Answer 2:
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Q3:
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What is the centre of the circle with equation:
(x - 4)2 + (y + 2)2 = 4
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A. (4, 4)
B. (4, -2)
C. (2, -4)
D. (2, 4)
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Answer 3:
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Q4:
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What is the centre of the circle with equation
x2 + 2x + y2 = 15 ?
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A. (-1, 0)
B. (1, 0)
C. (4, 0)
D. (4, 4)
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Answer 4:
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Q5:
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What is the radius of the circle in question 4?
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A. √2
B. 8
C. 4
D. √15
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Answer 5:
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