the line that goes from left to right, not up and down.
it is actually called the x-axis
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The coordinate plane or grid.
X- axis
The coordinate plane is formed by the intersection of a vertical and a horizontal number line. What is the horizontal number line called?
A grid reference system, also known as grid reference or grid system, is a geographic coordinate system that defines locations in maps using Cartesian coordinates based on a particular map projection. Grid lines on maps illustrate the underlying coordinate system.
what does the second number in the ordered pair tell you?THE 3 TELLS ME HOW FAR TO MOVE UP & DOWN. THIS VERTICAL LINE IS THE Y-AXIS. YOU MARK A LITTLE CIRCLE, CALLED A POINT, WHERE THE X-AXIS & Y-AXIS CROSS. WHEN PLOTTING A COORDINATE ON A GRID DO YOU START WITH THE HORIZONTAL LINE FIRST