Work Step by Step
Given the relation $z=kx^2\sqrt y$, we can say that $z$ is proportional jointly with the square of $x$ and the square root of $y$.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.