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Back to OCR Maths Higher November 2018 Paper 5 Home
​Q18: Question – Paper 5 – November 2018
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Content:
  • Completing the Square – Part 1
  • Completing the Square – Part 2​
  • Simplifying Surds​
Quizzes:
  • Completing the Square
  • Simplifying Surds

Question

18 a)

i) Write x2 + 4x – 16 in the form (x + a)2 – b

[3 marks]
​

ii) Solve the equation x2 + 4x – 16 = 0

Give your answers in surd form as simply as possible.


x = ................... or x = .....................
[4 marks]
​

b) Sketch the graph of y = x2 + 4x – 16, showing clearly the coordinates of any turning points.

Picture
[3 marks]
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