1.
Rewrite 16 × 0.4 + 16 × 10 using the distributive property.
A.
16(0.4 × 10)
B.
16 + (0.4 × 10)
C.
16(0.4 + 10)
D.
16 + (0.4 + 10)
Hint
2.
What is another way to write (6 + 7)
x
?
A.
6(
x
) + 7
B.
6(
x
) × 7(
x
)
C.
6 + 7(
x
)
D.
6(
x
) + 7(
x
)
Hint
3.
Factor the polynomial 3
x
+ 3.
A.
3(
x
- 1)
B.
3(
x
+ 3)
C.
3(
x
- 3)
D.
3(
x
+ 1)
Hint
4.
Use the clues on the dot diagram to find the unknown values.
A.
a
= 10,
b
= 22
B.
a
= 3,
b
= 15
C.
a
= 1,
b
= 11
D.
a
= 5,
b
= 17
Hint
5.
Rewrite 4
x
+ 48 by inserting parentheses.
A.
4(
x
+ 12)
B.
x
(4 + 12)
C.
(4
x
+ 12)
D.
12(4
x
+ 4)
Hint