2025 IGCSE Additional Mathematics May/June 0606/21 Q1

2025 IGCSE Additional Mathematics May/June 0606/21 Q1

5 marks

A curve has equation \(y=x^2+2x-3\).

  1. Use the method of completing the square to find the coordinates of the stationary point on the curve.[3]
  2. On the axes, sketch the curve, stating the intercepts with the coordinate axes.[2]

Solution:

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Answer:(a) \((-1,-4)\) (b) Upward parabola; intercepts \((-3,0)\), \((1,0)\), \((0,-3)\).

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