# How do you identify the vertical and horizontal asymptotes for rational functions?

##### 1 Answer

Oct 30, 2014

**How to Find Horizontal Asymptotes of Rational Functions**

Let

Case 1: If

Case 2: If

Case 3: If

**How to Find Vertical Asymptotes of Rational Functions**

If there are any common factors between the numerator and the denominator, then cancel all common factors. Set the denominator equal to zero then solve for

I hope that this was helpful.