To determine the location of a coordinate on the cartesian plane, we need to know its horizontal and vertical location. Here are a few examples of different axes with varying scales, The scale must increase in equal steps, but the scale does not have to be the same for each axis. This is informally known as an L -shaped set of axes as the lines for each axis create a capital L.įor any set of axes, a scale must be accurately drawn on each axis. Sometimes we only use the first quadrant. The values of x and y are different in each quadrant.īelow is a description of the polarity of x and y within each quadrant. The y -axis is drawn as a vertical line with an arrow at both ends and is labelled with a y at the top of the grid. The x -axis is drawn as a horizontal line with an arrow at both ends and is labelled with an x to the right of the grid. the y -axis (the vertical axis) is positive above the origin, and negative below the origin.the x -axis (the horizontal axis) is positive to the right of the origin, and negative to the left of the origin. The \bf -axis meet at the origin, (0,0) where, The general form of a coordinate is (x,y) where the value for x represents the horizontal position of the coordinate, and the value for y represents the vertical position of the coordinate.įor example, the coordinate (3,5) has a horizontal position of 3, and a vertical position of 5. Coordinates are locations of points on a grid known as the cartesian plane.Ī coordinate is written as two numbers, separated by a comma, and surrounded by a pair of round brackets.
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