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Completing the Square

Write $x^2 + 10x + k$ in the form $x + a)^2 + b$ where $a\,$ is an integer and $b\,$ is in terms of $k$ .

[2]

Hence, or otherwise, write down the coordinates of the turning point of the graph of $y = x^2 + 10x + k$ in terms of $k$ .

[1]

Completing the Square Questions

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.

Completing the Square

Question bank

Write $x^2 + 10x + k$ in the form $x + a)^2 + b$ where $a\,$ is an integer and $b\,$ is in terms of $k$ .

[2]

Hence, or otherwise, write down the coordinates of the turning point of the graph of $y = x^2 + 10x + k$ in terms of $k$ .

[1]

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.