Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(main)[3]

Rearrange the formula $y = \sqrt{x^2 + 1}$ so that $x$ is the subject.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\pm\sqrt{y^2-1}$” …

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