1.
Find (4
x
2
+ 3
x
) + (7
x
2
– 5
x
– 6).
A.
11
x
4
– 2
x
2
– 6
B.
11
x
2
– 2
x
– 6
C.
11
x
2
– 8
x
– 6
D.
9
x
– 6
Hint
2.
Find the difference (-7
x
4
y
2
– 3
x
2
y
+ 2
xy
2
– 5) – (4
x
4
y
2
–
xy
2
– 5).
A.
-11
x
4
y
2
- 3
x
2
y
+
xy
2
- 10
B.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
C.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
- 10
D.
-3
x
4
y
2
- 4
xy
2
+ 2
xy
2
- 10
Hint
3.
Find the polynomial that represents the measure of the perimeter of the triangle.
A.
7
xy
2
+ 10
x
– 2
y
B.
15
xy
2
C.
5
xy
2
+ 10
x
D.
7
x
3
y
6
+ 10
x
2
– 2
y
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.
trinomial
B.
Cannot be determined from given information.
C.
monomial
D.
binomial
Hint