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Quadratics

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Question 9

The line y=mx−2y=mx-2y=mx−2 is a tangent to the circle x2+6x+y2−8y+5=0x^2+6x+y^2-8y+5=0x2+6x+y2−8y+5=0.

Find the two possible values of mmm, giving your answers in exact form.

[7]
Markscheme

Quadratics Questions

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

37 exam-style questions on Edexcel AS Level Maths Quadratics, covering 2.1 Solving Quadratics, 2.2 Completing the Square, 2.3 Sketching Quadratic Graphs, 2.4 The Discriminant, and 2.5 Modelling with Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.

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