1.
Write
5 less than twice the length equals 11
as an algebraic equation.
A.
2
÷ 5 = 11
B.
- 5 = 11
C.
2
- 5 = 11
D.
5 < 2
+ 11
Hint
2.
Find a solution to the equation using guess-check-and-improve.
t
· (
t
+ 8) = 4,473
A.
t
= 62
B.
t
= 63
C.
t
= 61
D.
t
= 59
Hint
3.
Find a solution to the equation using guess-check-and-improve.
8
b
+ 17 = 41
A.
b
= 17
B.
b
= 1
C.
b
= 3
D.
b
= 18
Hint
4.
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
5.
Which equation would it be easiest to solve using the backtracking method?
A.
r
· (4 –
r
) = 32
B.
C.
r
2
+
r
= 15
D.
Hint