1.
Determine the slope of the line that passes through (2, 2) and (5, 8).
A.
B.
2
C.
-2
D.
Hint
2.
Which pair of lines graphed below are parallel?
A.
l
and
n
B.
l
and
m
C.
k
and
n
D.
k
and
m
Hint
3.
Use the scatter plot to predict the mileage of an engine with 250 horsepower.
A.
10
B.
20
C.
25
D.
12
Hint
4.
Find the equation that has direct variation.
A.
y
= –3
x
– 1
B.
y
= 4
x
C.
y
= 0.8
x
+ 9
D.
y
= 5
x
+ 1.3
Hint
5.
Find the equation that is nonlinear.
A.
y
= 4
y
2
B.
y
= –3
x
– 1
C.
y
= 14 + 6
x
D.
y
= 8 –
x
Hint
6.
Michael just got a job mowing his elderly neighbor's lawn paying him $10 each week. Draw a graph showing the amount he receives is increasing very rapidly. Suppose you graph the time in weeks on the horizontal axis and the amount Michael receives on the vertical axis.
A.
B.
C.
D.
Hint