1.
What is the degree of 4
x
5
– 5
xy
4
+ 3
xy
2
– 1?
A.
3
B.
0
C.
5
D.
4
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.
4
x
2
y
3
+ 3
x
3
y
2
- 2
x
4
y
+ 2
xy
– 3
B.
-3 + 2
xy
+ 4
x
2
y
3
+ 3
x
3
y
2
- 2
x
4
y
C.
-3 - 2
x
4
y
+ 3
x
3
y
2
+ 4
x
2
y
3
+ 2
xy
D.
– 2
x
4
y
+ 3
x
3
y
2
+ 4
x
2
y
3
+ 2
xy
– 3
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
– 2
x
2
– 5
x
4
B.
x
+ 2
x
3
+ 5
x
4
C.
x
+ 1 – 6
x
3
+ 2
x
4
D.
3
x
+ 5
x
3
– 7
x
4
– 3
Hint
4.
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
3
+
x
2
y
2
– 5
x
y
4
+ 2
y
3
B.
x
2
y
2
+
x
3
+ 2
y
3
– 5
x
y
4
C.
x
3
+
x
2
y
2
+ 2
y
3
– 5
x
y
4
D.
x
2
y
2
+ 2
y
3
+
x
3
– 5
x
y
4
Hint
5.
How can the following expression be described 3
x
2
+ 4
x
+ 5
x
– 3?
A.
polynomial other than these listed
B.
binomial
C.
trinomial
D.
monomial
Hint