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Completing the Square

Completing the Square

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Question 145
a.

Show that x2+8x+5=(x+4)2−11x^2 + 8x + 5 = (x + 4)^2 - 11x2+8x+5=(x+4)2−11.

[2]
b.

Hence, or otherwise, write down the coordinates of the turning point of the graph of y=x2+8x+5y = x^2 + 8x + 5y=x2+8x+5

[1]
Markscheme

Completing the Square Questions

  1. GCSE
  2. /Maths
  3. /Completing the Square

250 exam-style questions on OCR GCSE Maths Completing the Square. Each one has a worked solution and a mark scheme showing where the marks go.

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