1.
Which equation below is
not
an example of the Addition Property
of Equality?
A.
If
a
=
b
, then
a
+ 2 =
b
+ 2.
B.
If
d
= 10, then
d
+ 9 = 10 + 8.
C.
If
j
= 4 + 3, then
j
+ 6 = 4 + 3 + 6
D.
If
z
= 5, then
z
+ 1 = 5 + 1.
Hint
2.
In 1960, Chile experienced the largest earthquake of the century. The magnitude was 9.5 on the Richter scale. In 1952, Ecuador had the fourth largest earthquake. The magnitude was 0.7 less than the earthquake in Chile. What was the magnitude of the earthquake in Ecuador?
A.
8.8
B.
7.8
C.
10.2
D.
11.2
Hint
3.
Solve the equation -4.8 +
k
= -3.6.
A.
1.2
B.
-1.2
C.
-8.4
D.
8.4
Hint
4.
Solve the equation
g
+ 14 = -23.
A.
-9
B.
-37
C.
9
D.
37
Hint
5.
Andrew bought a stereo and twelve CD's for $140.38. The CD's cost $107.88. Use the Subtraction Property of Equality to find how much the stereo cost.
A.
$349.26
B.
$248.26
C.
$48.50
D.
$32.50
Hint