Khan Academy

Using the quadratic formula (K-A)

Using the quadratic formula: number of solutions (K-A)

Worked example: quadratic formula (example 2) (K-A)

Worked example: quadratic formula (K-A)

Worked example: quadratic formula (negative coefficients) (K-A)

Comparing features of quadratic functions (K-A)

Comparing maximum points of quadratic functions (K-A)

Finding features of quadratic functions (K-A)

Forms & features of quadratic functions (K-A)

Graphing quadratics review (K-A)

Vertex & axis of symmetry of a parabola (K-A)

Worked examples: Forms & features of quadratic functions (K-A)

Intro to parabola transformations (K-A)

Scaling & reflecting parabolas (K-A)

Shifting parabolas (K-A)

Multiplying & dividing powers (integer exponents) (K-A)

Powers of products & quotients (integer exponents) (K-A)

5th roots (K-A)

Intro to cube roots (K-A)

Intro to square roots (K-A)

Square root of decimal (K-A)

Understanding square roots (K-A)

Exponential equation with rational answer (K-A)

Intro to rational exponents (K-A)

Rewriting roots as rational exponents (K-A)