1.
Which is the standard form of a linear equation?
A.
y
= 2
x
- 3
B.
3
x
2
+
y
= 5
C.
4
x
- 9
y
= 1
D.
Hint
2.
Which function is not linear?
A.
f
(
x
) = 2
x
3
B.
f
(
x
) = 8
C.
D.
f
(
x
) = 14
x
+ 7
Hint
3.
Which equation is graphed below?
A.
3
x
+
y
= 6
B.
x
+ 3
y
= 6
C.
3
x
-
y
= -6
D.
x
- 3
y
= -6
Hint
4.
The temperature in degrees Fahrenheit can be expressed by the function
F
(
c
) = 1.8
c
+ 32 where
c
is the temperature in degrees Celsius. Find the temperature in degrees Fahrenheit (to the nearest degree) if it is 18°
C
outside.
A.
42
B.
212
C.
20
D.
64
Hint
5.
When the equation
is written in standard form, what is the value of
B
?
A.
B.
C.
25
D.
-25
Hint