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1.2 Co-ordinate geometry in the x, y plane

1.2 Co-ordinate geometry in the x, y plane

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Question 1
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The circle C C\,C has the equation x2+y2−14x+2y+40=0x^2 + y^2 - 14x + 2y + 40 = 0x2+y2−14x+2y+40=0

a.

Find (i) the coordinates of the centre of C C\,C and (ii) the exact radius of CCC.

[3]
b.

The line with equation y=kxy = kxy=kx where k k\,k is a constant, meets C C\,C at two distinct points. Find the range of possible values of kkk.

[6]
Markscheme

1.2 Co-ordinate geometry in the x, y plane Questions

  1. A Level
  2. /Maths
  3. /1.2 Co-ordinate geometry in the x, y plane

67 exam-style questions on CCEA A Level Maths 1.2 Co-ordinate geometry in the x, y plane, covering 1.2.1 Co-ordinate geometry in the x, y plane, 1.2.2 Co-ordinate geometry in the x, y plane, 1.2.3 Co-ordinate geometry in the x, y plane, 1.2.4 Co-ordinate geometry in the x, y plane, 1.2.5 Co-ordinate geometry in the x, y plane, 1.2.6 Co-ordinate geometry in the x, y plane, 1.2.7 Co-ordinate geometry in the x, y plane, and 1.2 Co-ordinate geometry in the x, y plane. Each one has a worked solution and a mark scheme showing where the marks go.

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