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1 Unit 1: Pure Mathematics A

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Question 162

The circle C C\,C has centre (−2,3)(-2, 3)(−2,3) and passes through the point (1,8)(1, 8)(1,8).

a.

Find an equation for CCC.

[3]
b.

Show that the point (3,6)(3, 6)(3,6) lies on CCC.

[1]
c.

Find an equation for the tangent to C C\,C at (3,6)(3, 6)(3,6), 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]
Markscheme

1 Unit 1: Pure Mathematics A Questions

  1. A Level
  2. /Maths
  3. /1 Unit 1: Pure Mathematics A

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