1.
A linear function that can be written in the form
y
=
kx
, where
k
0, is called a(n)_______.
A.
equivalent variation
B.
variable variation
C.
direct variation
D.
functional variation
Hint
2.
Consider the equation
y
=
kx
. Which statement is
not
true?
A.
x
is called the independent variable.
B.
k
is called the constant of variation.
C.
y
is called the dependent variable.
D.
k
is called the direction.
Hint
3.
Which is the graph of
y
= 2
x
+ 2?
A.
B.
C.
D.
Hint
4.
Which is the graph of
y
= -3
x
A.
B.
C.
D.
Hint
5.
Serefina can make 16 paper cranes in 20 minutes. At that rate, how many can she make in two hours?
A.
150 cranes
B.
96 cranes
C.
48 cranes
D.
75 cranes
Hint