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6.2 Equation of a Circle

6.2 Equation of a Circle

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Question 3

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.

[4]
b.

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

[1]
c.

Find the equation of the tangent to C C\,C at (3,6)(3,6)(3,6).

Give 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.

[5]
Markscheme

6.2 Equation of a Circle Questions

  1. AS Level
  2. /Maths
  3. /6.2 Equation of a Circle

10 exam-style questions on Edexcel AS Level Maths 6.2 Equation of a Circle. Each one has a worked solution and a mark scheme showing where the marks go.

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