1.
Which expression is not a polynomial?
A.
3
x
2
+ 5
B.
C.
7
y
3
D.
4
x
3
y
2
- 5
xy
+ 7
Hint
2.
What is the degree of 4
x
5
– 5
xy
4
+ 3
xy
2
– 1?
A.
4
B.
0
C.
3
D.
5
Hint
3.
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.
8 – 4
x
2
y
+ 6
x
4
y
2
+ 2
xy
3
C.
8 + 2
xy
3
- 4
x
2
y
+ 6
x
4
y
2
D.
2
xy
3
+ 6
x
4
y
2
- 4
x
2
y
+ 8
Hint
4.
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
– 10
x
B.
4
x
C.
x
2
– 5
x
D.
x
2
– 2
x
+ 5
Hint
5.
How can the polynomial
x
2
y
2
+ 2
y
3
– 5
x
y
4
+
x
3
be written with powers of
x
in descending order?
A.
x
2
y
2
+
x
3
+ 2
y
3
– 5
x
y
4
B.
x
2
y
2
+ 2
y
3
+
x
3
– 5
x
y
4
C.
x
3
+
x
2
y
2
+ 2
y
3
– 5
x
y
4
D.
x
3
+
x
2
y
2
– 5
x
y
4
+ 2
y
3
Hint