Khan Academy

Positive & negative intervals of polynomials (K-A)

Zeros of polynomials & their graphs (K-A)

Zeros of polynomials & their graphs-video (K-A)

Graphs of polynomials-link (K-A)

Graphs of polynomials: Challenge problems (K-A)

Even/odd functions & numbers (K-A)

Graphical symmetry of functions (K-A)

Intro to function symmetry (K-A)

Intro to symmetry of functions (K-A)

Even & odd polynomials (K-A)

Symmetry of polynomials (K-A)

Intro to solving square-root equations (K-A)

Intro to square-root equations & extraneous solutions (K-A)

Solving square-root equations (basic) (K-A)

Solving square-root equations (K-A)

Solving square-root equations: no solution (K-A)

Solving square-root equations: one solution (K-A)

Solving square-root equations: two solutions (K-A)

Absolute value graphs review (K-A)

Graphing absolute value functions (K-A)

Scaling & reflecting absolute value functions: graph (K-A)

Scaling & reflecting absolute value functions: equation (K-A)

Shifting absolute value graphs (K-A)

Introduction to piecewise functions (K-A)

Worked example: domain & range of piecewise linear functions (K-A)