1.
Consider the equation
y
=
kx
. Which statement is
not
true?
A.
x
is called the independent variable.
B.
y
is called the dependent variable.
C.
k
is called the constant of variation.
D.
k
is called the direction.
Hint
2.
Which equation is a direct variation?
A.
y
= -5
x
B.
y
= 3 + 8
x
C.
y
=
x
- 2
D.
x
+
y
= 1
Hint
3.
Which is the graph of
y
= -3
x
A.
B.
C.
D.
Hint
4.
Serefina can make 16 paper cranes in 20 minutes. At that rate, how many can she make in two hours?
A.
75 cranes
B.
48 cranes
C.
96 cranes
D.
150 cranes
Hint
5.
If there are 3 feet in 1 yard, how many feet are in 7.8 yards?
A.
23.4 ft
B.
14.9 ft
C.
2.6 ft
D.
2.2 ft
Hint