1.
Solve 2
x
= 14.
A.
28
B.
12
C.
14
D.
7
Hint
2.
Solve 3
a
= –9.
A.
9
B.
–27
C.
3
D.
–3
Hint
3.
Solve 0.5
y
= – 20.
A.
40
B.
100
C.
– 4
D.
–40
Hint
4.
Decide which multiplication equation the model represents. Then solve the equation.
A.
8
x
= 4;
x
= 0.5
B.
8
x
= 4;
x
= 48
C.
4
x
= 12;
x
= 3
D.
4
x
= 12;
x
= 48
Hint
5.
Decide which multiplication equation the model represents. Then solve the equation.
A.
–5
x
= –10;
x
= 2
B.
5
x
= –10;
x
= –2
C.
–5
x
= –10;
x
= 50
D.
5
x
= –10;
x
= –50
Hint