1.
Which expression is a binomial?
A.
5
x
- 2
B.
C.
-3
xy
D.
5
x
2
y
+ 4
x
– 6
Hint
2.
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
– 2
x
+ 5
D.
x
2
– 5
x
Hint
3.
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
2
y
2
+ 2
y
3
+
x
3
– 5
x
y
4
D.
x
3
+
x
2
y
2
+ 2
y
3
– 5
x
y
4
Hint
4.
Which pair of terms are
like
terms?
A.
B.
C.
D.
Hint
5.
Which pair of terms are
unlike
terms?
A.
3
r
3
t
2
, -3
r
3
t
2
B.
C.
D.
Hint