1.
Find (3
a
- 1)(5
a
+ 6).
A.
15
a
+ 13
a
-6
B.
15
a
2
- 5
a
- 6
C.
15
a
2
+ 13
a
+ 6
D.
15
a
2
+ 13
a
- 6
Hint
2.
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
3.
Find (2
y
2
+ 7
y
– 5)(3
y
2
– 5
y
+ 4).
A.
6
y
4
– 35
y
2
– 20
B.
6
y
4
+ 4
y
2
– 32
y
2
– 20
C.
6
y
4
+ 11
y
3
– 42
y
2
+ 53
y
– 20
D.
5
y
2
+ 2
y
– 1
Hint
4.
Write an expression for the area of the rectangle.
A.
x
3
- 4
x
B.
9
x
2
– 31
x
+ 40
C.
x
2
- 3
x
+ 13
D.
x
3
+ 4
x
2
– 27
x
+ 40
Hint
5.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
3
x
2
+
x
B.
x
2
+
x
– 3
C.
6
x
2
+ 7
x
– 3
D.
5
x
2
+ 7
x
– 3
Hint