1.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
2
B.
C.
6
D.
-1
Hint
2.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
30
B.
2.5
C.
24
D.
4.8
Hint
3.
Find a solution to the equation using guess-check-and-improve.
10
a
+ 4(
a
+ 1) = 32
A.
a
= 2
B.
a
= 4
C.
a
= 7
D.
a
= 10
Hint
4.
Find a solution to the equation using guess-check-and-improve.
–25 – 3
k
= –7 + 3
k
A.
k
= –6
B.
k
= 4
C.
k
= 1
D.
k
= –3
Hint
5.
Find how many blocks are in each bag to balance the scale.
A.
B.
C.
D.
Hint
6.
Ken and Mali put candies in bags to give away at Ken's birthday party. They started with an equal number of candies and put the same number in each bag. Ken filled nine bags and had three candies left. Mali filled eight bags and had ten candies left. How many candies were in each bag?
A.
10 candies
B.
7 candies
C.
8 candies
D.
9 candies
Hint
7.
Diana needed to borrow some money from her friends Zach and Kenyon. She told them that if it took more than 2 days to pay them back, she would triple the amount they borrowed her. Diana got a check for $60 and was able to pay them back, but it was three days later. Which expression represents the amount of money Diana had after paying her friends back?
A.
60 – 3(
x
+
y
)
B.
60 – (
x
+
y
)
C.
60 – 3
x
+
y
D.
60 –
x
+
y
Hint
8.
Solve the equation.
A.
x
= 0
B.
C.
D.
Hint
9.
What is the final answer to this
Think of a Number
trick?
Think of a number.
Multiply by 4.
Subtract 8.
Divide by 2.
Add 4.
A.
the answer is 2 more than the number you started with
B.
the answer is –2 times the number you started with
C.
the answer is 2 times the number you started with
D.
the answer is 2 less than the number you started with
Hint
10.
Simplify the equation.
y
= –2(
x
– 7) – (9 + 5x)
A.
y
= –16
x
+ 3
B.
y
= –7
x
+ 5
C.
y
= 7
x
– 5
D.
y
= 3
x
– 16
Hint