GRAPH QUADRATICS (TRANSFORMATIONS) » how to graph parabolas vertex form | Math Hacks

Описание: Brett shows you how to easily graph parabolas from quadratics using standard transformations from vertex form. In this tutorial, you'll begin by changing quadratic equations from standard form to vertex form by completing the square and then learn about graphing the resulting parabola by comparing shifts, stretch/compression, and reflection of your parabola against the parent function.

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SKIP AHEAD
Explanation of the quadratic parent function » 1:20
Example 1: Graphing a quadratic with horizontal and vertical shifts » 3:02
Example 2: Graphing a quadratic with horizontal and vertical shifts as well as an x-axis reflection » 6:57
Example 3: Graphing a quadratic with horizontal and vertical shifts as well as a stretch » 9:54
Example 4: Graphing a quadratic with horizontal and vertical shifts as well as a stretch w/ a more difficult complete the square involving fractions » 12:08

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