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Question 115

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

Find an equation for C C\,C and the equation to the tangent to C C\,C at (−3,1)(-3, 1)(−3,1). Give the equation to the tangent in the form ax+by+c=0ax + by + c = 0ax+by+c=0, where aaa, b b\,b and c c\,c are integers.

[9]
Markscheme

Circles Questions

  1. A Level
  2. /Maths
  3. /Circles

292 exam-style questions on Edexcel A Level Maths Circles, covering 6.1 Midpoints and Perpendicular Bisectors, 6.2 Equation of a Circle, 6.3 Intersections of Straight Lines and Circles, 6.4 Use Tangent and Chord Properties, and 6.5 Circles and Triangles. Each one has a worked solution and a mark scheme showing where the marks go.

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