Rational expressions, equations, & functions | Khan Academy
https://www.khanacademy.org/math/algebra-home/alg-rational-expr-eq-func
WebAbout this unit. This topic covers: Simplifying rational expressions. Multiplying, dividing, adding, & subtracting rational expressions. Rational equations. Graphing rational functions (including horizontal & vertical asymptotes) Modeling with rational functions. Rational inequalities.
DA: 50 PA: 52 MOZ Rank: 41