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
D.
6(
x
) + 7(
x
)
Hint
3.
Use the distributive property to rewrite 3(5 +
y
) without parentheses.
A.
8 + 3
y
B.
15 +
y
C.
15 + 3
y
D.
8 +
y
Hint
4.
Use the clues on the dot diagram to find the unknown values.
A.
a
= 10,
b
= 22
B.
a
= 5,
b
= 17
C.
a
= 3,
b
= 15
D.
a
= 1,
b
= 11
Hint
5.
Factor the expression.24
x
2
– 54
x
A.
6(4
x
2
– 9
x
)
B.
6
x
(4
x
– 9
x
)
C.
6
x
(4
x
– 9)
D.
6
x
2
(4
x
– 9)
Hint