Verify that a=v2−u22s\displaystyle a = \frac{v^2 - u^2}{2s}a=2sv2−u2 is the subject of v2=u2+2asv^2 = u^2 + 2asv2=u2+2as
210 exam-style questions on OCR GCSE Maths Changing the Subject of a Formula. Each one has a worked solution and a mark scheme showing where the marks go.