1.
Three more than the product of 6 and a number is 51. Write an equation and find the number.
A.
6
n
+ 3 = 51; 8
B.
3
n
(6) = 51;
C.
6 +
n
+ 3 = 51; 42
D.
3 + 6
n
= 51; 15
Hint
2.
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
3.
Find a solution to the equation using guess-check-and-improve.
11
x
–
x
2
= 18
A.
x
= 9 (2 is also a solution)
B.
x
= 11 (9 is also a solution)
C.
x
= 18 (11 is also a solution)
D.
x
= 10 (18 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
= 11.6
B.
p
= 6.5
C.
p
= 6.0
D.
p
= 6.4
Hint
5.
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
= 5.5
B.
n
= 9
C.
n
= 8.5
D.
n
= 2
Hint