1.
Which expression is a binomial?
A.
5
x
- 2
B.
5
x
2
y
+ 4
x
– 6
C.
D.
-3
xy
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.
-3 - 2
x
4
y
+ 3
x
3
y
2
+ 4
x
2
y
3
+ 2
xy
B.
– 2
x
4
y
+ 3
x
3
y
2
+ 4
x
2
y
3
+ 2
xy
– 3
C.
4
x
2
y
3
+ 3
x
3
y
2
- 2
x
4
y
+ 2
xy
– 3
D.
-3 + 2
xy
+ 4
x
2
y
3
+ 3
x
3
y
2
- 2
x
4
y
Hint
3.
Write a polynomial to represent the area of a square with a side
x
minus the area of a triangle with a base 2
x
and a height of 5.
A.
x
2
– 2
x
+ 5
B.
x
2
– 5
x
C.
x
2
– 10
x
D.
4
x
Hint
4.
What is the degree of 3
a
– 4
a
2
b
3
+
b
3
– 4
a
b
?
A.
3
B.
1
C.
2
D.
5
Hint
5.
How can the following expression be described 3
x
2
+ 4
x
+ 5
x
– 3?
A.
polynomial other than these listed
B.
monomial
C.
trinomial
D.
binomial
Hint