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; 8
B.
6 +
n
+ 3 = 51; 42
C.
3 + 6
n
= 51; 15
D.
3
n
(6) = 51;
Hint
3.
Find a solution to the equation using guess-check-and-improve.
8
b
+ 17 = 41
A.
b
= 1
B.
b
= 18
C.
b
= 3
D.
b
= 17
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.
(10 –
y
) ×
y
= 77
B.
36 · (5
y
+ 20) = 146
C.
D.
19 = 53 + 31
y
Hint