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C1 CIRCLES Worksheet C

1 A circle has the equation x2 + y2 - 8x + 7 = 0.
a Find the coordinates of the centre of the circle. (2)
b Find the radius of the circle. (2)

2 A circle has the equation x2 + y2 - 6x +…

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C1 CIRCLES Worksheet C continued


7 The circle C has equation x2 + y2 - 6x - 12y + 28 = 0.
a Find the coordinates of the centre of C. (2)
The line y = x - 2 intersects C at the points A and B.
b Find the…

Comments

daviesg

A great set of questions on cirle equations showing a range of difficulty for core 1.  Answers would be good to check results.

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