1.
Select the expression that is a binomial.
A.
x
2
+ 3
x
- 4
B.
2
x
3
C.
5
4
D.
x
2
+ 2
Hint
2.
The degree of the polynomial -4
b
2
c
2
+ 5
ac
5
-
abc
is ______.
A.
3
B.
4
C.
6
D.
13
Hint
3.
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.
182 in
2
C.
150 in
2
D.
166 in
2
Hint
4.
State whether the expression 9
x
7
+ 4
x
4
– 3
x
is a
monomial, binomial, trinomial
or
not a polynomial
.
A.
binomial
B.
not a polynomial
C.
trinomial
D.
monomial
Hint
5.
Find the degree of the polynomial 22
x
5
y
+ 13
x
7
+ 4
x
y
5
+
x
4
y
5
.
A.
7
B.
13
C.
9
D.
22
Hint