When you need to find a subject that has been squared in your formula, you need to find the square root of each side. If \(y={x}^2\), then \(x=\sqrt{y}\) If \(y={x}^2 ...

Changing the subject of a formula Formulas with squares and square roots Target subject appearing twice Test yourself Before reading this guide, it may be helpful to read the guide from Module 3 (M3) ...