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Vertical and Horizontal Shifts of Quadratic Graphs - Problem 2 189 views
In the vertex form of a quadratic function, y = a(x - h)^2 + k, the value of "k" represents a vertical shift, or translation. If you can imagine the "parent" parabola y = x^2, you would take that image and move it up or down according to the value of "k." This is just one piece of graphing parabolas using transformations.
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