1.
Find the perimeter of triangle
ABC
.
A.
(4
w
+ 22) in.
B.
(8
w
+ 8) in.
C.
(4
w
+ 8) in.
D.
(8
w
+ 9) in.
Hint
2.
Find the sum (4
xy
2
– 3
x
2
y
– 5
xy
– 6) + (-5
xy
2
– 2
xy
+ 3).
A.
-
xy
2
– 3
x
2
y
– 3
xy
– 3
B.
4
xy
2
– 7
xy
– 3
C.
4
xy
2
– 8
x
2
y
– 7
xy
– 3
D.
-
xy
2
– 3
x
2
y
– 7
xy
– 3
Hint
3.
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
- 10
C.
-3
x
4
y
2
- 4
xy
2
+ 2
xy
2
- 10
D.
-11
x
4
y
2
- 3
x
2
y
+ 3
xy
2
Hint
4.
Find the polynomial that represents the measure of the perimeter of the triangle.
A.
5
xy
2
+ 10
x
B.
7
x
3
y
6
+ 10
x
2
– 2
y
C.
15
xy
2
D.
7
xy
2
+ 10
x
– 2
y
Hint
5.
Simplify (7
x
2
+ 2
x
– 3) – (2
x
2
– 11
x
+ 4)
A.
B.
C.
D.
5
x
2
+ 13
x
– 7
Hint