1.
Which number is a solution to
x
+ 7 = 16?
A.
9
B.
10
C.
8
D.
23
Hint
2.
Solve 3
q
+ 6 = 15.
A.
3
B.
9
C.
7
D.
2
Hint
3.
Use the flowchart to backtrack and find the solution.
A.
14
B.
11
C.
D.
Hint
4.
Use the flowchart to write an equation.
A.
3(2
k
– 6) = 42
B.
6
k
– 2(3) = 42
C.
6(3
k
– 2) = 42
D.
2(6
k
– 3) = 42
Hint
5.
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
= 9.8
D.
k
= 13.5
Hint
6.
Which equation would it be easiest to solve using the backtracking method?
A.
B.
r
· (4 –
r
) = 32
C.
r
2
+
r
= 15
D.
Hint