Watch this algebra math coordinate plane video to learn about the four quadrants and other important concepts in the Cartesian plane.

Important facts to remember:

• All points located in Quadrant I have positive x- and y-coordinates.

• All points located in Quadrant II have negative x-coordinates and positive y-coordinates.

• All points located in Quadrant III have negative x- and y-coordinates.

• All points located in Quadrant IV have positive x- coordinates and negative y-coordinates.

• All points located on the x-axis have the y-coordinate equal to zero.

• All points located on the y-axis have the x-coordinate equal to zero.

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