trinomial
a polynomial
with three unlike terms, such as
y
3
+ 8
z
– 2
union
the combination of the elements of two or more sets
variable
a letter that represents an unknown number
vertex
a
point at which two lines, rays, or line segments connect
vertical angles
two opposite congruent angles formed by intersecting lines
volume
the number of cubic units inside
a three-dimensional figure
whole numbers
the counting numbers: 0, 1, 2, 3, 4, 5, 6, . . .
zero-product rule
if the product of two or more factors is 0, then at least one of the factors is 0.
–
G L O S S A R Y
–
2 4 9
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