Notice that the number h is put inside the function with the x for a horizontal translation so that the x-value changes. If h is negative, then it translates left, and if k is negative, then it translated down. In figure 3, the function y = | x| is translated up 2 units. ![]() Where k is the distance the graph is translated up. In figure 2, the function y = | x| is translated right 2 units. Where h is the distance the graph is translated to the right. Then horizontal translations are in the form A translation moves a graph horizontally, vertically, or both. The first type of transformation is a translation. Likewise, vertical transformations result from changing the y values. ![]() Because the x is the horizontal axis, to transform a graph horizontally, change the x values by addition or multiplication. This lesson looks at transformations that change a graph horizontally or vertically. These changes are transformations which change a graph's position, orientation, or size. This lesson looks at how to change a parent function into a similar function. Mathematicians can transform a parent function to model a problem scenario given as words, tables, graphs, or equations. This lets the functions describe real world situations better. Mathematics can cause the parent functions to transform in ways similar to the mirrors. If the mirror is bent like a fun house mirror, then the image can be stretched or shrunk. If the mirror is tilted, then the image can be shifted horizontally or vertically. credit (wikimedia/Conrad Poirier)Ī flat mirror produces an image called a reflection where everything is inverted left to right. Perform a sequences of transformations.įigure 1: The reflection of two people in a distorting mirror of Cartierville Belmont Park.Graph functions with stretches and shrinks.
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