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Completing the Square

Completing the Square

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Question 143
a.

Show that x2−2x−1=(x−1)2−2x^2 - 2x - 1 = (x - 1)^2 - 2x2−2x−1=(x−1)2−2.

[2]
b.

Hence, or otherwise, verify that the coordinates of the turning point of the graph of y=x2−2x−1y = x^2 - 2x - 1y=x2−2x−1 are (1,−2)(1, -2)(1,−2)

[1]
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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