Precalculus Examples

$y > x^{2} + 2 x - 9$

Step 1

The equation is not linear, so a constant slope does not exist.

Not Linear

Step 2

Graph a dashed line, then shade the area above the boundary line since $y$ is greater than $x^{2} + 2 x - 9$ .

$y > x^{2} + 2 x - 9$

Step 3