1.
Find the product (8
x
5
- 2
x
3
+ 4
x
)(-3
x
2
).
A.
-24
x
7
+ 6
x
5
- 12
x
3
B.
-24
x
-7
+ 6
x
-5
- 12
x
-3
C.
24
x
7
- 6
x
5
+ 12
x
3
D.
24
x
3
+ 6
x
x
-1
Hint
2.
Find the product 6(8
x
+ 3).
A.
48
x
+ 18
B.
48
x
+ 3
C.
66
x
D.
42
x
+ 18
Hint
3.
Find the product (3
x
– 1)(5
x
).
A.
15
x
2
- 1
B.
15
x
2
- 5
x
C.
-2
x
D.
8
x
2
+ 4
x
Hint
4.
Find –3
x
(
x
2
+ 2
x
+ 1).
A.
-3
x
3
+ 6
x
2
+ 3
x
B.
-3
x
3
+ 2
x
+ 1
C.
-3
x
3
- 6
x
2
- 3
x
D.
-3
x
3
- 6
x
2
+ 1
Hint
5.
A rectangle is 50 centimeters longer than twice its width. If the perimeter of the rectangle is 160 centimeters, what are the dimensions of the rectangle?
A.
40 cm by 40 cm
B.
60 cm by 20 cm
C.
50 cm by 30 cm
D.
70 cm by 10 cm
Hint