1.
Which expression is a binomial?
A.
-3
xy
B.
C.
5
x
- 2
D.
5
x
2
y
+ 4
x
– 6
Hint
2.
Arrange the terms of 4
x
2
y
3
– 2
x
4
y
+ 3
x
3
y
2
– 3 + 2
xy
so that the powers of
x
are in descending order.
A.
– 2
x
4
y
+ 3
x
3
y
2
+ 4
x
2
y
3
+ 2
xy
– 3
B.
4
x
2
y
3
+ 3
x
3
y
2
- 2
x
4
y
+ 2
xy
– 3
C.
-3 - 2
x
4
y
+ 3
x
3
y
2
+ 4
x
2
y
3
+ 2
xy
D.
-3 + 2
xy
+ 4
x
2
y
3
+ 3
x
3
y
2
- 2
x
4
y
Hint
3.
Which of the following expressions is an example of a polynomial with powers of
x
in ascending order?
A.
x
+ 2
x
3
+ 5
x
4
B.
x
+ 1 – 6
x
3
+ 2
x
4
C.
x
+ 2
x
3
– 2
x
2
– 5
x
4
D.
3
x
+ 5
x
3
– 7
x
4
– 3
Hint
4.
What is the degree of 3
a
– 4
a
2
b
3
+
b
3
– 4
a
b
?
A.
1
B.
5
C.
2
D.
3
Hint
5.
How can the following expression be described 3
x
2
+ 4
x
+ 5
x
– 3?
A.
trinomial
B.
polynomial other than these listed
C.
binomial
D.
monomial
Hint