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2.4 The Discriminant

2.4 The Discriminant

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Question 9

The line y=mx+2y=mx+2y=mx+2 is a tangent to the circle (x−5)2+(y+1)2=15(x-5)^2+(y+1)^2=15(x−5)2+(y+1)2=15.

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

[7]
Markscheme

2.4 The Discriminant Questions

  1. AS Level
  2. /Maths
  3. /2.4 The Discriminant

9 exam-style questions on Edexcel AS Level Maths 2.4 The Discriminant. Each one has a worked solution and a mark scheme showing where the marks go.

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