1.
Determine which expression is not a polynomial.
A.
B.
C.
x
2
-
y
2
+
z
2
D.
Hint
2.
Find the area of the parallelogram.
A.
(36
a
2
- 49
b
2
) cm
2
B.
(12
a
2
+ 14
b
2
) cm
2
C.
(36
a
2
- 84
a
b
- 49
b
2
) cm
2
D.
(36
a
2
+ 49
b
2
) cm
2
Hint
3.
Simplify (7
x
2
+ 2
x
– 3) – (2
x
2
– 11
x
+ 4)
A.
B.
C.
5
x
2
+ 13
x
– 7
D.
Hint
4.
Determine whether the expression 5
x
3
y
3
–
x
2
y
2
is a polynomial.
A.
No, because there are two terms.
B.
Cannot be determined from given information.
C.
No, because there are two variables.
D.
Yes.
Hint
5.
Determine whether the expression
x
+
y
+
z
is a monomial, binomial, or trinomial.
A.
Cannot be determined from given information.
B.
trinomial
C.
binomial
D.
monomial
Hint