1.
An equation whose graph is a straight line is called a(n)________.
A.
relation
B.
ordered equation
C.
standard equation
D.
linear equation
Hint
2.
Which description
does not
fit the graph of
x
= -4?
A.
The line passes through the point at (0, 0).
B.
The graph is parallel to the
y
-axis.
C.
The graph is a vertical line.
D.
The value of the
x
-coordinate is always -4.
Hint
3.
Which equation is
not
a linear equation?
A.
y
= -4
B.
xy
+ 2 =
y
C.
3
x
= 4
y
+
x
D.
x
= 0
Hint
4.
Which equation describes the graph?
A.
y
=
x
B.
y
= -
x
C.
y
= 2
x
D.
y
= -2
x
Hint
5.
Jasper has a firm belief that when two people have their first long phone conversation, they each spend
the total time on the phone plus 3 minutes talking about television-related topics. Jasper just had his first telephone conversation with Alicia. If they talked on the phone for 48 minutes, how long would they have had to talk about television-related topics to support Jasper's theory?
A.
14 minutes
B.
12 minutes
C.
9 minutes
D.
15 minutes
Hint