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1.6 C: Coordinate geometry in the (x, y) plane

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Question 30
68%

The points DDD, E E\,E and F F\,F have coordinates (−3,2)(-3, 2)(−3,2), (4,−1)(4, -1)(4,−1) and (1,−8)(1, -8)(1,−8) respectively.

a.

Show that angle DEF DEF\,DEF is a right angle.

[4]
b.

Given that DDD, E E\,E and F F\,F all lie on the circle CCC, find the coordinates of the centre of CCC.

[3]
c.

Find the equation of the circle CCC.

[3]
Markscheme

1.6 C: Coordinate geometry in the (x, y) plane Questions

  1. A Level
  2. /Maths
  3. /1.6 C: Coordinate geometry in the (x, y) plane

143 exam-style questions on AQA A Level Maths 1.6 C: Coordinate geometry in the (x, y) plane, covering 1.6.1 Equation of a straight line, 1.6.2 Coordinate geometry of the circle, 1.6.3 Parametric equations of curves (A-level only), and 1.6.4 Parametric equations in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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