Pre-Algebra Examples

$f (x) = x^{2}$

Step 1

Write $f (x) = x^{2}$ as an equation.

$y = x^{2}$

Step 2

Since the equation can be written in the form $y = k x^{2}$ , $y$ varies directly with $x^{2}$ and $k$ . The constant of variation, $k$ , is $1$ .

$1$