1.
Write
5 less than twice the length equals 11
as an algebraic equation.
A.
- 5 = 11
B.
2
÷ 5 = 11
C.
5 < 2
+ 11
D.
2
- 5 = 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
= 59
D.
t
= 61
Hint
3.
Find a solution to the equation using guess-check-and-improve.
11
x
–
x
2
= 18
A.
x
= 10 (18 is also a solution)
B.
x
= 11 (9 is also a solution)
C.
x
= 18 (11 is also a solution)
D.
x
= 9 (2 is also a solution)
Hint
4.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
8
p
– 22 = 30
A.
p
= 6.0
B.
p
= 6.5
C.
p
= 6.4
D.
p
= 11.6
Hint
5.
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