1.
Which is the standard form of a linear equation?
A.
y
= 2
x
- 3
B.
4
x
- 9
y
= 1
C.
D.
3
x
2
+
y
= 5
Hint
2.
Write
in standard form where
A
,
B
, and
C
are integers whose greatest common factor is 1.
A.
3
x
- 8
y
= 16
B.
3
x
+ 8
y
= 16
C.
D.
3
x
- 8
y
= 2
Hint
3.
What is the
x
-intercept of the graph below?
A.
3
B.
2
C.
-2
D.
-3
Hint
4.
Find the
y
-intercept of the graph of 2
x
- 5
y
= 10.
A.
2
B.
0
C.
-2
D.
5
Hint
5.
Consider the formula
F
(
c
) = 1.8
c
+ 32, where
c
is the temperature in degrees Celsius and
F
(
c
) is the temperature in degrees Fahrenheit. If it is 0°
C
at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit?
A.
11
B.
-12.2
C.
51.8
D.
19.8
Hint