Skip to content

Course home

Perpendicular Lines and the equation of a tangent

Perpendicular Lines and the equation of a tangent

MediumHard
1234567891011121314151617181920212223242526
Question 12

A circle has the equation x2+y2=20x^2 + y^2 = 20x2+y2=20

a.

Write down the coordinates of the centre of the circle.

[1]
b.

Write down the exact length of the radius of the circle.

[1]
c.

P P\,P is the point (−4,2)(-4, 2)(−4,2) on the circle x2+y2=20x^2 + y^2 = 20x2+y2=20

Work out the equation of the tangent to the circle at PPP.

[4]
Markscheme

Perpendicular Lines and the equation of a tangent Questions

  1. GCSE
  2. /Maths
  3. /Perpendicular Lines and the equation of a tangent

36 exam-style questions on AQA GCSE Maths Perpendicular Lines and the equation of a tangent. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank