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5 marksEquation of a Straight Line

CSEC Additional Mathematics · May/June 2007 · Paper 2 · Question 12(EITHER)(i)

The diagram shows a quadrilateral ABCD. The point E lies on AD such that angle AEB = 90°. The line EC is parallel to the x-axis and the line CD is parallel to the y-axis. The points A and E are (– 1, 6) and (3, 4) respectively. Given that the gradient of AB is 1/3.

Find the coordinates of B.

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Other parts of this question

  1. 12(EITHER)(ii)Find the coordinates of C.[3 marks]
  2. 12(EITHER)(iii)Find the coordinates of D.[2 marks]
  3. 12(OR)(a)(i)Evaluate b.[2 marks]
  4. 12(OR)(a)(ii)Evaluate a.[2 marks]
  5. 12(OR)(a)(iii)Evaluate c.[1 mark]
  6. 12(OR)(b)Solve the equation x³ + 3x² = 2, giving your answers to 2 decimal places where necessary.[5 marks]

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