Graphing Quadratic Equations

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Several examples of Graphing Quadratic Equations

Quadratic Functions http://www.moomoomath.com/quadratic-function-definition.html

0:15 Graph y=2(x-2)^2-5

This graph is a change of direction of a parabola.
Remember: “The opposite of H and the same sign as K”
3:08 This example is not in vertex form so you begin by finding your vertex. To convert from standard form to vertex use -b/2a
Graph y=x^2+6x +2

You may also enjoy…
Changing from standard form to Vertex Form
http://www.moomoomath.com/changing-from-standard-form-to-vertex-form.html

Converting from general form to standard form
https://www.youtube.com/watch?v=kzlY5wmyUvM

Equation of Circles Converting from general form to standard form
https://www.youtube.com/watch?v=kzlY5wmyUvM

Graphing Quadratic Equations
https://www.youtube.com/watch?v=c74m88mbi9k

How to graph a quadratic equation
https://www.youtube.com/watch?v=_vkHw7caCN4

Quadratic Equations
http://en.wikipedia.org/wiki/Quadratic_equation

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