Pre-Algebra Examples

$y = \frac{2}{5} x - 2$

Step 1

Combine $\frac{2}{5}$ and $x$ .

$y = \frac{2 x}{5} - 2$

Step 2

The given equation $y = \frac{2 x}{5} - 2$ can not be written as $y = k x^{2}$ , so $y$ doesn't vary directly with $x^{2}$ .

$y$ doesn't vary directly with $x$