Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[3]

Factorise the expression $5m^2 - 20p^4$.

(b)[3]

Make $P$ the subject in the formula $A = P + \frac{PRT}{100}$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The factorised form is $(5m-2p^2)(m+2p^2)$” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI