1.
Find (
x
+ 3)(
x
- 5).
A.
x
2
- 2
x
- 15
B.
x
2
+ 8
x
- 15
C.
x
2
+ 2
x
- 15
D.
x
2
- 15
Hint
2.
Find (3
x
+ 4)(5
x
2
– 4
x
+ 6).
A.
8
x
2
- 13
x
+ 24
B.
15
x
3
+ 32
x
2
+ 34
x
+ 24
C.
5
x
2
+
x
+ 10
D.
15
x
3
+ 8
x
2
+ 2
x
+ 24
Hint
3.
Write an expression for the area of the rectangle.
A.
x
3
- 4
x
B.
x
2
- 3
x
+ 13
C.
x
3
+ 4
x
2
– 27
x
+ 40
D.
9
x
2
– 31
x
+ 40
Hint
4.
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
5.
Find the product (2
x
+ 3)(3
x
– 2).
A.
6
x
2
+ 9
x
– 6
B.
6
x
2
+ 9
x
– 5
C.
6
x
2
+ 5
x
– 5
D.
6
x
2
+ 5
x
– 6
Hint