4. Represent Rational Numbers on the Coordinate Plane
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In an ordered pair, the x-coordinate comes first and the y-coordinate comes second.
-4tells us to move 4 units in the negative horizontal direction.
Next, we find 1 on the y-axis and follow this grid line until it collides with the grid line from our x-coordinate. The y-coordinate 1
tells us to move 1 unit in the positive vertical direction.
The point A( - 4, 1) lies on the point at which these two grid lines intersect.