This question already has an answer here:
- Equation of a rectangle 11 answers
can you model a square in an equation ?
like a circle for example $r^2 = x^2 + y^2$
and lets say we have a square with: centered at $(3,3)$
$2 \leq x \leq 4$ and $2 \leq y\leq 4$
can we somehow make an equation for that square ?