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