1.
Which expression is used to find the slope of a line?
A.
m =
B.
m =
C.
m =
D.
m =
Hint
2.
Find the slope of the line graphed below.
A.
B.
-4
C.
4
D.
Hint
3.
Many children grow at a predictable rate. The function
f
(
n
) = 2.65
n
+ 28.9 can be used to estimate the height in inches for a boy who is
n
years old. The function is accurate until about age 13. Complete the function table.
A.
B.
C.
D.
Hint
4.
The function
f
(
n
) = 2.65
n
+ 28.9 estimates the height in inches for a boy who is
n
years old. Choose values for
n
and graph the function.
A.
B.
C.
D.
Hint
5.
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
6.
Find the proportional relationship.
A.
A phone company that charges a flat monthly fee of $29.95 for unlimited calls day or night.
B.
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.
C.
A phone company that charges $0.10 per minute on all calls.
D.
A phone company that charges a monthly fee of $3.95 and $0.05 per minute on all calls.
Hint
7.
What is the constant difference in the outputs in the table?
A.
2
B.
3
C.
–3
D.
–2
Hint
8.
Determine whether this table represents a linear relationship. Then give the rule.
A.
not linear
B.
linear,
t
= 2
s
– 1
C.
linear,
t
= 5 + 6
s
D.
linear,
t
=
s
– 2
Hint