1.
Find a solution to the equation using backtracking.
A.
x
= 11
B.
x
= 9
C.
x
= 8
D.
x
= 10
Hint
2.
Find a solution to the equation using guess-check-and-improve.
10
a
+ 4(
a
+ 1) = 32
A.
a
= 4
B.
a
= 7
C.
a
= 10
D.
a
= 2
Hint
3.
Find a solution to the equation using guess-check-and-improve.
–25 – 3
k
= –7 + 3
k
A.
k
= 1
B.
k
= –6
C.
k
= –3
D.
k
= 4
Hint
4.
In a bag of 53 cherry- and watermelon-flavored candies, there are 19 more watermelon than cherry candies. Write an equation to determine how many candies are cherry.
A.
If
w
= number of watermelon candies,
w
+ (
w
+ 19) = 53.
B.
If
c
= number of cherry candies,
c
+ 19 = 53.
C.
If
w
= number of watermelon candies,
w
+ 19 = 53.
D.
If
c
= number of cherry candies,
c
+ (
c
+ 19) = 53.
Hint
5.
In a bag of 53 cherry and watermelon-flavored candies, there are 19 more watermelon than cherry candies. How many cherry candies are there?
A.
36
B.
17
C.
19
D.
34
Hint