1.
Find (
x
+ 3)(
x
- 5).
A.
x
2
+ 2
x
- 15
B.
x
2
- 15
C.
x
2
- 2
x
- 15
D.
x
2
+ 8
x
- 15
Hint
2.
Find (2
y
2
+ 7
y
– 5)(3
y
2
– 5
y
+ 4).
A.
6
y
4
+ 11
y
3
– 42
y
2
+ 53
y
– 20
B.
6
y
4
– 35
y
2
– 20
C.
6
y
4
+ 4
y
2
– 32
y
2
– 20
D.
5
y
2
+ 2
y
– 1
Hint
3.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
3
x
2
+
x
B.
5
x
2
+ 7
x
– 3
C.
x
2
+
x
– 3
D.
6
x
2
+ 7
x
– 3
Hint
4.
Find the product (2
x
- 3)(2
x
2
+ 5
x
- 1).
A.
8
x
2
– 17
x
+ 3
B.
4
x
3
+ 4
x
2
– 17
x
+ 3
C.
4
x
3
+ 4
x
2
– 17
x
– 3
D.
8
x
2
– 17
x
– 3
Hint
5.
A rectangle has a base of 4
x
– 1 and a height of 3
x
+ 2. What is the area?
A.
12
x
2
+ 5
x
– 2
B.
12
x
2
– 5
x
– 2
C.
12
x
2
– 5
x
+ 2
D.
12
x
2
+ 5
x
+ 2
Hint