1.
Evaluate 2
a
+
b
- 12 if
a
= 14 and
b
= 12.
A.
28
B.
19
C.
40
D.
9
Hint
2.
Translate the phrase ''three less than a number'' into an algebraic expression.
A.
3
x
B.
3 -
x
C.
x
- 3
D.
x
+ 3
Hint
3.
A verbal phrase for 6
n
- 4 is ______.
A.
the difference of six times a number and four
B.
four less than six and a number
C.
four more than six times a number
D.
the product of six and four less than a number
Hint
4.
Evaluate the following expression if
b
= 3 and
c
= 11: 10
b
+ 3
c
.
A.
63
B.
43
C.
66
D.
27
Hint
5.
Evaluate the following expression for
x
= 10 and
A.
160
B.
2
C.
20
D.
16
Hint