V
value
The possible outcomes of a variable. For example, red, green, and blue are possible values for the variable color. Two meters and 1.65 meters are possible values for the variable length.
pages 3–6, 10, 19, 40, 320–334, 350–353
variable
An attribute or quantity that changes or varies. (See also categorical variable and numerical variable.)
A symbol that can stand for a variable.
pages 3–7, 14–16, 36, 40, 46, 231, 320–334, 350–353, 385–386, 526–536
vertical axis
In a coordinate grid, the y-axis. It is perpendicular to the horizontal axis. (See also y-axis.)
pages 6, 217, 220, 224, 228, 232, 249–254, 255–270, 271–273
vertex
The common endpoint of two rays or line segments.
page 281
volume
The measure of the amount of space occupied by an object.
pages 150, 195–199, 204–208, 537–542, 543–550