1.
Write
5 less than twice the length equals 11
as an algebraic equation.
A.
2
- 5 = 11
B.
2
÷ 5 = 11
C.
- 5 = 11
D.
5 < 2
+ 11
Hint
2.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
8
p
– 22 = 30
A.
p
= 11.6
B.
p
= 6.4
C.
p
= 6.0
D.
p
= 6.5
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
= 9.8
B.
k
= 13.2
C.
k
= 13.5
D.
k
= 3.2
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
= 9
D.
n
= 8.5
Hint
5.
Which equation would it be easiest to solve using the guess-check-and-improve method?
A.
36 · (5
y
+ 20) = 146
B.
19 = 53 + 31
y
C.
(10 –
y
) ×
y
= 77
D.
Hint