Algebra II/Asymptotes

Rational Functions have vertical and horizontal "imaginary lines where a graph come close to but doesn't usually make contact or cross it" [aka] asymptotes. A vertical asymptote occur when x-values are undefined because they make the denominator equal to zero. In order to find the vertical asymptote, you must: will be the line of the vertical asymptote, represented as a vertical line. There may be one or more of these vertical asymptotes depending on the equation you're given.
 * 1) Factor the denominator (if possible).
 * 2) Set each factor to.
 * 3) Solve