1.
Use the formula
d
=
rt
to find the rate
r
of travel if
t
= 3.5 hours
and
d
= 203 miles.
A.
68 miles per hour
B.
53 miles per hour
C.
58 miles per hour
D.
63 miles per hour
Hint
2.
Find the equation for the flowchart.
A.
- 1 = 9
B.
- 9 = 1
C.
= 1
D.
- 9 = 1
Hint
3.
Use the flowchart to backtrack and find the solution.
A.
7
B.
8
C.
18
D.
9
Hint
4.
A CD rotates in a CD player at about 350 revolutions per minute. How many revolutions would the CD have made after
h
hours?
A.
350
h
B.
21,000
h
C.
D.
Hint
5.
Find two ways to write the rule for the table.
A.
3(
x
+ 12), 3
x
+ 36
B.
3(
x
+ 4), 3
x
+ 15
C.
3(
x
+ 4), 3
x
+ 12
D.
15
x
Hint
6.
Factor the expression.24
x
2
– 54
x
A.
6
x
2
(4
x
– 9)
B.
6
x
(4
x
– 9)
C.
6
x
(4
x
– 9
x
)
D.
6(4
x
2
– 9
x
)
Hint