# Precalculus Examples

,

Step 1

Use the distance formula to determine the distance between the two points.

Step 2

Substitute the actual values of the points into the distance formula.

Step 3

Step 3.1

Subtract from .

Step 3.2

Raising to any positive power yields .

Step 3.3

Subtract from .

Step 3.4

Raise to the power of .

Step 3.5

Add and .

Step 3.6

Rewrite as .

Step 3.7

Pull terms out from under the radical, assuming positive real numbers.

Step 4