Khan Academy

Intro to direct & inverse variation (K-A)

Inverse variation word problem: string vibration (K-A)

Recognizing direct & inverse variation (K-A)

Recognizing direct & inverse variation: table (K-A)

End behavior of rational functions-video (K-A)

Analyzing vertical asymptotes of rational functions (K-A)

Discontinuities of rational functions-video (K-A)

Graphing rational functions 1 (K-A)

Graphing rational functions 2 (K-A)

Graphing rational functions 3 (K-A)

Graphing rational functions 4 (K-A)

Graphing rational functions according to asymptotes (K-A)

Graphs of rational functions (old example) (K-A)

Graphs of rational functions: horizontal asymptote (K-A)

Analyzing structure word problem: pet store (1 of 2) (K-A)

Graphs of rational functions: vertical asymptotes (K-A)

Analyzing structure word problem: pet store (2 of 2) (K-A)

Graphs of rational functions: y-intercept (K-A)

Rational equations word problem: combined rates (example 2) (K-A)

Graphs of rational functions: zeros (K-A)

Rational equations word problem: combined rates (K-A)

Rational equations word problem: eliminating solutions (K-A)

Reasoning about unknown variables (K-A)

Reasoning about unknown variables: divisibility (K-A)

Structure in rational expression (K-A)