vertical number line in a coordinate graph. The line in the coordinate plane,
usually vertical, or in space, containing those points whose first coordinates
(and third, in space) are 0.
The second coordinate
of an ordered pair or ordered triple.
Ex: in the coordinate
pair (3,-2), the negative two is the y-coordinate.
A unit of length in the U.S system of measurement equal to 3 feet or 36
The y-coordinate of a point where a graph crosses the y-axis.