1.
How could you find 5 × 17 mentally using the distributive property?
A.
5 × 10 - 5 × 7
B.
5 × 10 + 5 × 7
C.
5 + 10 × 5 + 7
D.
5 × 10 × 5 × 7
Hint
2.
What is another way to write (6 + 7)
x
?
A.
6 + 7(
x
)
B.
6(
x
) × 7(
x
)
C.
6(
x
) + 7(
x
)
D.
6(
x
) + 7
Hint
3.
Write two expressions for the total number of blocks.
A.
5(
n
– 1), 5
n
– 5
B.
5(
n
+ 5), 5
n
+ 25
C.
5(
n
– 5), 5
n
– 25
D.
5(
n
+ 1), 5
n
+ 5
Hint
4.
Rewrite 4
x
+ 48 by inserting parentheses.
A.
x
(4 + 12)
B.
(4
x
+ 12)
C.
12(4
x
+ 4)
D.
4(
x
+ 12)
Hint
5.
Factor the expression.24
x
2
– 54
x
A.
6
x
(4
x
– 9)
B.
6(4
x
2
– 9
x
)
C.
6
x
2
(4
x
– 9)
D.
6
x
(4
x
– 9
x
)
Hint