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Rectangular Coordinate System
A rectangular coordinate system, also called the -plane or coordinate plane, is an algebraic grid system used to show the relationship between two variables. It is formed by two intersecting number lines: a horizontal line called the -axis and a vertical line called the -axis. These two axes divide the plane into four distinct regions called quadrants. The quadrants are identified using Roman numerals (I, II, III, IV), beginning in the upper right region and proceeding in a counterclockwise direction.
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Learn After
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