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1.5.11 Equation of a circle

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12
Question 2

The circle C C\,C has centre (1,−2)(1,-2)(1,−2) and passes through A(4,2)A(4,2)A(4,2).

a.

Find an equation for CCC.

[2]
b.

Find an equation of 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]
Markscheme

1.5.11 Equation of a circle Questions

  1. A Level
  2. /Maths
  3. /1.5.11 Equation of a circle

8 exam-style questions on OCR (MEI) A Level Maths 1.5.11 Equation of a circle. Each one has a worked solution and a mark scheme showing where the marks go.

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