| 1. |  |
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2. |
The line 
intersects the curve  at points
A and B. Find |
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(a) the coordinates of points A and B, |
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(b) the length of AB. |
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| 3. | Find the equation of the circle whose centre is (1,2) and which passes through |
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the point (4,0). |
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| 4. | A circle passes through two points A(1,0)
and B(0,4) and line AB is the diameter |
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of the circle. Find the equation of the circle. |
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| 5. |  |
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| 6. |  |
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