Graphing a parabola using roots and vertex : Khan Academy on a Stick

Khan Academy on a Stick

Graphing quadratics

Graphing a parabola with a table of values
Parabola vertex and axis of symmetry
Graphing a parabola by finding the roots and vertex
Finding the vertex of a parabola example
Multiple examples graphing parabolas using roots and vertices
Graphing a parabola using roots and vertex
Shifting and scaling parabolas
Parabola intuition example 1
Graphing a parabola in vertex form

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