1.
There are 12 inches in every foot. Using
i
for the number of inches, write a rule that tells how many inches are in
f
feet.
A.
f
= 12 +
f
B.
12 =
i
+
f
C.
i
= 12
f
D.
f
= 12
i
Hint
2.
There are 12 inches in every foot. Develop a table comparing the values of the number of inches i in every foot f for the first 5 feet.
A.
B.
C.
D.
Hint
3.
Tamika earns $9 per hour and Jon earns $6.50 per hour at their respective jobs. The graph below shows their pay. In what ways are the graphs the same?
A.
all answers are correct
B.
The largest amount they both can earn is $100.
C.
Both graphs have the same slope.
D.
They both earn at least $50 after 8 hours worked.
Hint
4.
Find the relationship that is not proportional.
A.
A
=
r
2
, where
A
is the area of a circle and
r
is the radius of the circle.
B.
p
= 4
s
, where
p
is the perimeter of a square and
s
is the length of one side of the square.
C.
S
= 180
n
– 360, where
S
is the sum of the interior angles in a polygon and
n
is the number of sides of the polygon.
D.
m
= 10
c
, where
m
is the number of millimeters and c is the number of centimeters.
Hint
5.
Find the proportional relationship.
A.
A phone company that charges $0.10 per minute on all calls.
B.
A phone company that charges a monthly fee of $3.95 and $0.05 per minute on all calls.
C.
A phone company that charges a flat monthly fee of $29.95 for unlimited calls day or night.
D.
A phone company that charges a monthly fee of $4.95, $0.01 per minute between the hours of 7:00 P.M. and 7:00 A.M., and $0.10 for all other calls.
Hint