A point cannot lie in both a quadrant and on an axis. The signs of coordinates of any point plotted in a particular quadrant are the same. The x-values in quadrant IV are positive (+) and the y-values are negative (-). Quadrant IV - the fourth quadrant is in the bottom right hand corner of the coordinate plane.The x- and y-values in quadrant III are all negative (-). Quadrant III - the third quadrant is in the bottom left hand corner of the coordinate plane.The x-values in quadrant II are negative (-) and the y-values are positive (+). Quadrant II - the second quadrant is in the upper left hand corner of the coordinate plane.The x- and y-values in quadrant I are all positive (+). Quadrant I - the first quadrant is in the upper right hand corner of the coordinate plane.Together, the 4 quadrants make up the coordinate plane. The four quadrants make up the area contained by the x- and y-axes and are labeled I through IV, starting in the upper right quadrant and going counterclockwise, as shown in the figure below.Ī quadrant is one of the four infinite sections defined by the x- and y-axes. In geometry, a quadrant is one of the four sections of a rectangular coordinate plane. Home / geometry / coordinate plane / quadrant Quadrant
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