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Question 30

The diagram shows line with equation y+3x=3y + 3x = 3y+3x=3 which is a tangent to a circle with centre (15,−2)(15, -2)(15,−2).

An unlabelled coordinate sketch shows a descending line tangent to a circle, with the circle’s centre marked by a dot and both axes shown.

Find an equation for the circle.

[5]
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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