1.
Factor the polynomial 3
x
+ 3.
A.
3(
x
+ 3)
B.
3(
x
+ 1)
C.
3(
x
- 1)
D.
3(
x
- 3)
Hint
2.
Write two expressions for the total number of blocks.
A.
5(
n
– 5), 5
n
– 25
B.
5(
n
+ 5), 5
n
+ 25
C.
5(
n
+ 1), 5
n
+ 5
D.
5(
n
– 1), 5
n
– 5
Hint
3.
Find two ways to write the rule for the table.
A.
3(
x
+ 4), 3
x
+ 15
B.
3(
x
+ 4), 3
x
+ 12
C.
15
x
D.
3(
x
+ 12), 3
x
+ 36
Hint
4.
Rewrite 4
x
+ 48 by inserting parentheses.
A.
12(4
x
+ 4)
B.
x
(4 + 12)
C.
4(
x
+ 12)
D.
(4
x
+ 12)
Hint
5.
Combine like terms to simplify the polynomial as much as possible.
2
x
+ 9
xy
+ 6
xy
+ 3
x
+ 5
y
A.
5(
x
+ 3
xy
+
y
)
B.
x
+ 3
xy
+
y
C.
6
x
+ 54
xy
+ 5
y
D.
5(
x
+
xy
+
y
)
Hint