1.
Write
5 less than twice the length equals 11
as an algebraic equation.
A.
- 5 = 11
B.
5 < 2
+ 11
C.
2
÷ 5 = 11
D.
2
- 5 = 11
Hint
2.
Three more than the product of 6 and a number is 51. Write an equation and find the number.
A.
6 +
n
+ 3 = 51; 42
B.
3
n
(6) = 51;
C.
3 + 6
n
= 51; 15
D.
6
n
+ 3 = 51; 8
Hint
3.
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
= 11.6
D.
p
= 6.4
Hint
4.
Which equation would it be easiest to solve using the backtracking method?
A.
r
2
+
r
= 15
B.
r
· (4 –
r
) = 32
C.
D.
Hint
5.
Which equation would it be easiest to solve using the guess-check-and-improve method?
A.
B.
(10 –
y
) ×
y
= 77
C.
19 = 53 + 31
y
D.
36 · (5
y
+ 20) = 146
Hint