Khan Academy

Strategy in factoring quadratics (part 1 of 2) (K-A)

Strategy in factoring quadratics (part 2 of 2) (K-A)

Completing the square Video (K-A)

Completing the square review (K-A)

Solving quadratics by completing the square (K-A)

Solving quadratics by completing the square: no solution (K-A)

Worked example: Completing the square (intro) (K-A)

Worked example: completing the square (leading coefficient ≠ 1) (K-A)

Worked example: Rewriting expressions by completing the square (K-A)

Worked example: Solving equations by completing the square (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)

Parabolas intro Video (K-A)

Graphing quadratics: vertex form (K-A)

Quadratic word problems (vertex form) (K-A)

Vertex form introduction (K-A)

Quadratic equations word problem: box dimensions (K-A)

Quadratic equations word problem: triangle dimensions (K-A)

Solving quadratics by factoring Notes (K-A)

Solving quadratics by factoring review (K-A)