Precalculus Examples

$(5, 4)$ , $x = 4$

Step 1

Since $x = 4$ is a vertical line, the slope is undefined.

Undefined

Step 2

The perpendicular line is horizontal and the slope is $0$ .

$y = 4$

Step 3

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$