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1.6.2 Coordinate geometry of the circle

1.6.2 Coordinate geometry of the circle

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Question 29

The circle with equation x2+y2+kx−6y+9=0x^2 + y^2 + kx - 6y + 9 = 0x2+y2+kx−6y+9=0 has radius 4.

Find the two possible values of the constant kkk.

[4]
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1.6.2 Coordinate geometry of the circle Questions

  1. A Level
  2. /Maths
  3. /1.6.2 Coordinate geometry of the circle

60 exam-style questions on AQA A Level Maths 1.6.2 Coordinate geometry of the circle. Each one has a worked solution and a mark scheme showing where the marks go.

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