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Completing the Square

Completing the Square

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Question 60
a.

Write 2x2+8x+112x^2 + 8x + 112x2+8x+11 in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c where aaa, bbb, and c c\,c are integers.

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b.

Hence, or otherwise, write down the coordinates of the turning point of the graph of y=2x2+8x+11y = 2x^2 + 8x + 11y=2x2+8x+11

[1]
c.

Hence, write down the equation of the line of symmetry of the graph.

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Markscheme

Completing the Square Questions

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

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

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