1.
VideoMart Electronics sold 150 DVD players and VCRs during their last weekend sale for a total of $21,050. The DVD players sold for $175 and the VCRs sold for $95. How many VCRs were sold?
A.
65
B.
85
C.
75
D.
95
Hint
2.
What is the solution of 4.1 + 2
p
= 6.5?
A.
1.2
B.
2.4
C.
6.5
D.
8.9
Hint
3.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
24
B.
2.5
C.
4.8
D.
30
Hint
4.
Find a solution to the equation using backtracking.
A.
x
= 10
B.
x
= 9
C.
x
= 11
D.
x
= 8
Hint
5.
Find a solution to the equation using guess-check-and-improve.
A.
n
= 2
B.
n
= 6
C.
n
= 7
D.
n
= 1
Hint
6.
Write an equation that fits the balance puzzle below
A.
4
n
+ 2 = 4
n
+ 6
B.
8
n
+ 4 = 8
n
+ 6
C.
4
n
+ 6 = 2
n
+ 4
D.
4
n
+ 4 = 2
n
+ 6
Hint
7.
Find how many blocks are in each bag to balance the scale.
A.
B.
C.
D.
Hint
8.
Evaluate the expression.
46 – (12.3 + 20.9)
A.
79.2
B.
54.6
C.
12.8
D.
8.6
Hint
9.
Which equation is not the same as the other three?
A.
B.
C.
6 + 2
y
=
x
D.
Hint
10.
Name a similarity and a difference among the three graphs below.
7
x
+
y
+ 8 = 0
–7
x
+
y
+ 8 = 0
–3
x
–
y
– 8 = 0
A.
The graphs have the same slope, but different
y
-intercepts.
B.
The graphs have the same slope and
y
-intercept.
C.
The graphs have the same
y
-intercept, but different slopes.
D.
None of the graphs have the same slope nor the same
y
-intercept.
Hint