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variable
A letter used to represent a number value
in an expression or an equation.
vector
Quantity that has magnitude (length) and direction.
It may be represented as a directed line segment.
Venn Diagram
A Venn diagram is often two circles (can be
other shapes) that overlap. The overlapping
part usually contains information that is
pertinent to the labels on both sides of the
Venn diagram.
vertex
The point on an angle where the two sides
intersect.
vertical
Perpendicular to horizontal; up and down as
opposed to left and right.
vertical angles
A pair of opposite angles that is formed by
intersecting lines.
vertical line test
A way of testing a graphed relation to determine
if it is a function.
vertically opposite angles
Two angles formed by the intersection of two
lines. They share a common vertex but no sides
or interior points.
volume
A measurement of space, or capacity.
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