1.
The sum of one or more monomials is called a ______.
A.
trinomial
B.
binomial
C.
polynomial
D.
multinomial
Hint
2.
Select the expression that is a binomial.
A.
x
2
+ 3
x
- 4
B.
5
4
C.
x
2
+ 2
D.
2
x
3
Hint
3.
The expression
is _____.
A.
not a polynomial, because two terms are negative
B.
a trinomial, because it has three terms
C.
not a polynomial, because
is not a monomial
D.
a polynomial, because it has one or more terms
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.
-5 - 2
x
+ 6
x
2
+ 3
x
3
D.
3
x
3
+ 6
x
2
- 2
x
- 5
Hint
5.
The surface area of a rectangular box can be found using the polynomial expression
, where
is the length of the box,
w
is the width of the box, and
h
is the height of the box. What is the surface area of a box whose length is 7 inches, width is 4 inches, and height is 5 inches?
A.
180 in
2
B.
150 in
2
C.
182 in
2
D.
166 in
2
Hint