1.
Which number is a solution to
x
+ 7 = 16?
A.
9
B.
10
C.
23
D.
8
Hint
2.
A certain number is divided by 9, and then 6 is added to the result. The final answer is 21. Find the number.
A.
135
B.
243
C.
117
D.
183
Hint
3.
Find a number for
x
that will make the equation true.
x
÷ 8
7
A.
any number greater than or equal to 56
B.
any number less than or equal to 56
C.
any number greater than 56
D.
56
Hint
4.
The rule for the flowchart below is
r
= 10
s
+ 6. Use the flowchart to find the value of
r
when the value of
s
is
.
A.
B.
C.
7
D.
Hint
5.
Find a solution to the equation using guess-check-and-improve.
11
x
–
x
2
= 18
A.
x
= 9 (2 is also a solution)
B.
x
= 10 (18 is also a solution)
C.
x
= 11 (9 is also a solution)
D.
x
= 18 (11 is also a solution)
Hint
6.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
k
· (18 +
k
) = 67.84
A.
k
= 13.2
B.
k
= 3.2
C.
k
= 13.5
D.
k
= 9.8
Hint