_______________ is positive above x - axis and negative below x-axis in cartesian plane
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The vertical line above the origin is called the positive Y axis and the vertical line below the origin is called the negative X axis. The position of any point on the plane is identified by an ordered pair of points (x,y) called the X coordinate and the Y coordinate respectively.
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Starting from the origin, go along the x-axis in a positive direction (right) and along the y-axis in a negative direction (down). Once you know about the quadrants in the coordinate plane, you can determine the quadrant of an ordered pair without even graphing it by looking at the chart above.
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