Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

$b=dm+2mk$
(a)[3]

Calculate an estimate for b after rounding each value to 1 significant figure.

(b)[2]

Make m the subject by rearranging the formula.

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This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “184, with $3$, $8$ and $10$ shown” …

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