human
Rearrange formulae to change the subject where the subject appears once and three or more steps are needed Tom and Katie are discussing rearranging \( p=\sqrt{5-q} \) to make \( q \) the subject Tom says a correct first line of working could be: \( p^{2}=5-q \) Katie says a correct first line of working could be: \( p+\sqrt{q}=\sqrt{5} \)
Who is correct? Both Tom and Katie
gpt
Thinks that the square root of an expression square roots each term in the expression, rather than square rooting the whole expression