1.
Write an algebraic expression for one-half of a number
x
subtracted from fifty.
A.
B.
2
x
- 50
C.
50 - 2
x
D.
Hint
2.
Write a verbal expression for 2
x
+
y
2
.
A.
The sum of 2 times
x
and
y
.
B.
The sum of 2 times
x
and
y
squared.
C.
The sum of
x
and
y
squared.
D.
The difference of 2 times
x
and
y
squared.
Hint
3.
What expression describes the total bill,
b
, divided equally by 4 people?
A.
B.
b
+ 4
C.
b
– 4
D.
4
b
Hint
4.
Evaluate 4
y
+ 7(
x
–
z
) if
y
= 6,
x
= 5 and
z
= 3.
A.
59
B.
33
C.
56
D.
38
Hint
5.
Evaluate 2
a
–
b
÷ 2 +
c
if
a
= 3,
b
= 6 and
c
= 5.
A.
10
B.
–9
C.
5
D.
8
Hint