1.
Find (3
x
+ 4)(5
x
2
– 4
x
+ 6).
A.
8
x
2
- 13
x
+ 24
B.
5
x
2
+
x
+ 10
C.
15
x
3
+ 8
x
2
+ 2
x
+ 24
D.
15
x
3
+ 32
x
2
+ 34
x
+ 24
Hint
2.
Write an expression for the area of the rectangle.
A.
x
3
+ 4
x
2
– 27
x
+ 40
B.
9
x
2
– 31
x
+ 40
C.
x
2
- 3
x
+ 13
D.
x
3
- 4
x
Hint
3.
Find the area of a triangle with base 2
x
+ 3 and height 3
x
– 1.
A.
5
x
2
+ 7
x
– 3
B.
3
x
2
+
x
C.
6
x
2
+ 7
x
– 3
D.
x
2
+
x
– 3
Hint
4.
Find the product (2
x
- 3)(2
x
2
+ 5
x
- 1).
A.
8
x
2
– 17
x
– 3
B.
8
x
2
– 17
x
+ 3
C.
4
x
3
+ 4
x
2
– 17
x
+ 3
D.
4
x
3
+ 4
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