# 9.12: Circles in the Coordinate Plane

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

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Estimated7 minsto complete
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Estimated7 minsto complete
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MEMORY METER
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### Vocabulary Language: English

TermDefinition
Distance Formula The distance between two points $(x_1, y_1)$ and $(x_2, y_2)$ can be defined as $d= \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$.
Origin The origin is the point of intersection of the $x$ and $y$ axes on the Cartesian plane. The coordinates of the origin are (0, 0).

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