Here, all of the points of the function shift $a$ units right and $b$ units up. If $a$ is negative, the function moves left, and if $b$ is negative, the function moves down.Īlternatively, a translation can be denoted:

In this case, the function moves $a$ units to the right and $b$ units up. The first is through function mapping notation. There are also mathematical ways to describe translations. A verbal description notes the number of units shifted horizontally and vertically and the directions. If, instead, you need to describe a translation, compare the coordinates of the key points of the first figure with the second. Then, you can “connect the dots” to complete the object. The easiest way to do a transformation in geometry is to find the key points of the geometric object and translate those. That is, the only thing that changes about an object when a translation is applied is its location on the coordinate plane. Since translations preserve the size and shape of an object, they are rigid transformations. It can also include a combination of the two. Since translations involve units and finding points in the coordinate plane, it is good to review coordinate geometry before jumping into the section.Ī translation is a movement horizontally to the left or right or vertically up or down in geometry. Since only the location of the object changes and not the size, translations are rigid transformations. The direction of the shift is always specified. Translation in Geometry - Examples and ExplanationĪ translation in geometry is any vertical or horizontal shift applied to an object.

Translation geometry practice