1.
A number, a variable, or a product of numbers and variables that have only positive exponents, such as the expression 6
x
2
, is called a ________.
A.
polynomial
B.
binomial
C.
trinomial
D.
monomial
Hint
2.
The sum of one or more monomials is called a ______.
A.
polynomial
B.
trinomial
C.
binomial
D.
multinomial
Hint
3.
Select the expression that is a binomial.
A.
5
4
B.
x
2
+ 2
C.
2
x
3
D.
x
2
+ 3
x
- 4
Hint
4.
Arrange the terms of the polynomial -2
x
+ 3
x
3
- 5 + 6
x
2
so that the powers of
x
are in descending order.
A.
-5 - 2
x
+ 6
x
2
+ 3
x
3
B.
-2
x
+ 3
x
3
+ 6
x
2
- 5
C.
3
x
3
+ 6
x
2
- 2
x
- 5
D.
5 - 2
x
+ 6
x
2
+ 3
x
3
Hint
5.
State whether the expression 9
x
7
+ 4
x
4
– 3
x
is a
monomial, binomial, trinomial
or
not a polynomial
.
A.
binomial
B.
trinomial
C.
monomial
D.
not a polynomial
Hint