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