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# 7.12: Dilation in the Coordinate Plane

Difficulty Level: At Grade Created by: CK-12
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Practice Dilation in the Coordinate Plane

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### Vocabulary Language: English

Dilation

To reduce or enlarge a figure according to a scale factor is a dilation.

Distance Formula

The distance between two points $(x_1, y_1)$ and $(x_2, y_2)$ can be defined as $d= \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$.

Mapping

Mapping is a procedure involving the plotting of points on a coordinate grid to see the behavior of a function.

Scale Factor

A scale factor is a ratio of the scale to the original or actual dimension written in simplest form.

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