Higher November 2018 Paper 3 Q17

17 \(w = \dfrac{3}{5\sqrt{x}}\)

Circle the expression for \(w^2\) [1 mark]

• \(\dfrac{6}{10x^2}\)
• \(\dfrac{9}{25x^2}\)
• \(\dfrac{6}{10x}\)
• \(\dfrac{9}{25x}\)