You can see that the other two graphs are distorted versions of that basic graph, stretched, shifted, and, for the red graph, flipped upside down. The most basic quadratic function is, which is shown on the graph in green (passing through the origin).
Parabolas! And if the word parabola doesn’t mean anything to you, then they look somewhat like the St. For purposes of demonstration, let’s use this function:įirst things first… What do quadratic functions look like? Remember: every point on a graph is an x, y pair that makes the function equation true.
A quadratic function is a quadratic equation where instead of 0 on one side of the equals sign, you have or. Today let’s work on graphing quadratic functions.
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