1.
Determine which expression is not a polynomial.
A.
B.
C.
D.
x
2
-
y
2
+
z
2
Hint
2.
Simplify 6
g
(-3
h
- 4).
A.
-18
g
h
- 24
g
B.
-18
g
h
- 4
C.
6
g
h
- 4
D.
-18
g
- 4
Hint
3.
Find (
c
2
+ 2
c
- 6)(
c
+ 5).
A.
c
3
+ 2
c
2
+ 5
B.
c
3
+ 2
c
2
- 6
c
- 30
C.
c
3
+ 7
c
2
+ 4
c
- 30
D.
c
3
+ 2
c
2
- 30
Hint
4.
Simplify (7
x
2
+ 2
x
– 3) – (2
x
2
– 11
x
+ 4)
A.
5
x
2
+ 13
x
– 7
B.
C.
D.
Hint
5.
Determine whether the expression 5
x
3
y
3
–
x
2
y
2
is a polynomial.
A.
Cannot be determined from given information.
B.
Yes.
C.
No, because there are two variables.
D.
No, because there are two terms.
Hint