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Question 43

The circle C C\,C has the equation x2+y2−8x−2y=8x^2 + y^2 - 8x - 2y = 8x2+y2−8x−2y=8

a.

Find the coordinates of the centre of CCC.

[2]
b.

Find equation of the tangent to the circle at the point (0,4)(0, 4)(0,4).

[4]
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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