Make a a\,a the subject of the formula b2=a2+2cdb^2 = a^2 + 2cdb2=a2+2cd
Practise OCR GCSE Maths Rearranging Harder Formulae with exam-style questions for Foundation and Higher tier. 52 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.