1.
Find a solution to the equation using guess-check-and-improve.
t
· (
t
+ 8) = 4,473
A.
t
= 62
B.
t
= 59
C.
t
= 63
D.
t
= 61
Hint
2.
Find a solution to the equation using guess-check-and-improve.
11
x
–
x
2
= 18
A.
x
= 18 (11 is also a solution)
B.
x
= 9 (2 is also a solution)
C.
x
= 11 (9 is also a solution)
D.
x
= 10 (18 is also a solution)
Hint
3.
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
= 13.5
C.
k
= 3.2
D.
k
= 9.8
Hint
4.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
n
+ 5 = 3(
n
- 2)
A.
n
= 2
B.
n
= 5.5
C.
n
= 8.5
D.
n
= 9
Hint
5.
Which equation would it be easiest to solve using the guess-check-and-improve method?
A.
(10 –
y
) ×
y
= 77
B.
36 · (5
y
+ 20) = 146
C.
D.
19 = 53 + 31
y
Hint