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Question 17

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.

[4]
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]
Markscheme

Circles Questions

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

37 exam-style questions on Edexcel AS 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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