It is given that
x2+bx+7≡(x−3)2+cx^2+bx+7\equiv(x-3)^2+cx2+bx+7≡(x−3)2+c.
Find the values of b b\,b and ccc.
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Markscheme
1.4.3 Completing the square for a quadratic curve Questions
8 exam-style questions on OCR (MEI) A Level Maths 1.4.3 Completing the square for a quadratic curve. Each one has a worked solution and a mark scheme showing where the marks go.