Optional extension The quantity $y$ is inversely proportional to $3x^2$, and $y=14$ for one va

Question

Optional extension The quantity $y$ is inversely proportional to $3x^2$, and $y=14$ for one value of $x$. Find $y$ when that $x$-value is halved.

Accepted Answer

$y=56$

Halving an inverse-square input