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1.6.2 Coordinate geometry of the circle

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Question 8
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The circle C C\,C has centre (1,5)(1, 5)(1,5) and passes through the point A(−4,3)A(-4, 3)A(−4,3).

a.

Find an equation for CCC.

[3]
b.

Find an equation for the tangent to C C\,C at AAA, giving your answer in the form ax+by+c=0ax + by + c = 0ax+by+c=0, where aaa, b b\,b and c c\,c are integers.

[4]

1.6.2 Coordinate geometry of the circle Questions

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  3. /1.6.2 Coordinate geometry of the circle