1.
Find the area of the parallelogram.
A.
(36
a
2
- 49
b
2
) cm
2
B.
(36
a
2
- 84
a
b
- 49
b
2
) cm
2
C.
(12
a
2
+ 14
b
2
) cm
2
D.
(36
a
2
+ 49
b
2
) cm
2
Hint
2.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 43
y
- 35
B.
12
y
2
+ 35
C.
12
y
2
– 13
y
+ 35
D.
12
y
2
– 43
y
+ 35
Hint
3.
Find (3
x
+ 4)(5
x
2
– 4
x
+ 6).
A.
5
x
2
+
x
+ 10
B.
15
x
3
+ 32
x
2
+ 34
x
+ 24
C.
15
x
3
+ 8
x
2
+ 2
x
+ 24
D.
8
x
2
- 13
x
+ 24
Hint
4.
Write an expression for the area of the rectangle.
A.
x
3
+ 4
x
2
– 27
x
+ 40
B.
x
3
- 4
x
C.
9
x
2
– 31
x
+ 40
D.
x
2
- 3
x
+ 13
Hint
5.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
x
2
+
x
– 3
B.
5
x
2
+ 7
x
– 3
C.
6
x
2
+ 7
x
– 3
D.
3
x
2
+
x
Hint