1.
Which expression is a binomial?
A.
5
x
2
y
+ 4
x
– 6
B.
5
x
- 2
C.
D.
-3
xy
Hint
2.
Which expression is not a polynomial?
A.
7
y
3
B.
4
x
3
y
2
- 5
xy
+ 7
C.
3
x
2
+ 5
D.
Hint
3.
What is the degree of 4
x
5
– 5
xy
4
+ 3
xy
2
– 1?
A.
3
B.
5
C.
0
D.
4
Hint
4.
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
5.
Arrange the terms of 6
x
4
y
2
– 4
x
2
y
+ 2
xy
3
+ 8 so that the powers of
y
are in ascending order.
A.
6
x
4
y
2
- 4
x
2
y
+ 2
xy
3
+8
B.
2
xy
3
+ 6
x
4
y
2
- 4
x
2
y
+ 8
C.
8 – 4
x
2
y
+ 6
x
4
y
2
+ 2
xy
3
D.
8 + 2
xy
3
- 4
x
2
y
+ 6
x
4
y
2
Hint