1.
Write an equation to determine the number of tickets sold for a school play if tickets cost $5.50 each and $4510 was recorded at the box office.
A.
5.50
t
= 4510
B.
4510 -
t
= 5.50
C.
4510 - 5.50 =
t
D.
4510
t
= 5.50
Hint
2.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
2
B.
-1
C.
D.
6
Hint
3.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
24
B.
2.5
C.
30
D.
4.8
Hint
4.
Find a solution to the equation using guess-check-and-improve.
10
a
+ 4(
a
+ 1) = 32
A.
a
= 10
B.
a
= 4
C.
a
= 7
D.
a
= 2
Hint
5.
Find a solution to the equation using guess-check-and-improve.
–25 – 3
k
= –7 + 3
k
A.
k
= 1
B.
k
= –6
C.
k
= –3
D.
k
= 4
Hint
6.
Find the balance puzzle that matches the equation.
3
n
+ 6 = 4
n
+ 9
A.
B.
C.
D.
Hint
7.
Solve this equation by imagining a balance puzzle.6
n
+ 14 = 10
n
+ 6
A.
n
= 2
B.
n
= 4
C.
n
= 1
D.
n
= 3
Hint
8.
Evaluate the expression.
46 – (12.3 + 20.9)
A.
8.6
B.
12.8
C.
79.2
D.
54.6
Hint
9.
Simplify the equation.
y
= –2(
x
– 7) – (9 + 5x)
A.
y
= 3
x
– 16
B.
y
= –7
x
+ 5
C.
y
= –16
x
+ 3
D.
y
= 7
x
– 5
Hint
10.
Find the linear equation.
A.
y
= 7
x
(
x
– 1) + 4(9.6 –
x
)
B.
y
=
x
+
x
2
– 7
x
+ 4.9
C.
y
= 5.2(
x
– 6) – 2(4 – 3
x
)
D.
y
= 10(
x
– 8) + 3
x
2
Hint