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Question 123

The diagram shows a circle with equation (x−11)2+(y+1)2=90(x - 11)^2 + (y + 1)^2 = 90(x−11)2+(y+1)2=90 which has centre (11,−1)(11, -1)(11,−1), and a line with equation y+3x=2y + 3x = 2y+3x=2.

diagram showing the circle and line

Verify that the line is a tangent to 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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