Expressions

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Expressions Chapter Questions
1. How can the order of operations easily be remembered?
2. Why is it important to have an “order” to the operations?
3. Can you name 3 words that indicate each operation (addition, subtraction,
multiplication and division)?
4. How do you evaluate an expression?
5. Explain how distribution can simplify a problem.
6. What are like terms?
7. How do you combine like terms?
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Expressions Chapter Problems
Mathematical Expressions
Classwork
1. Circle the constant and underline the coefficient for each expression below
a. 5x – 3
b. 2x + 7
c. 2 – 4x
d. x + 3
2. Create an algebraic expression with a coefficient of 7 and a constant of 4.
3. Create an algebraic expression with a coefficient of -1 and a constant of -12.
4. Create an equation that contains a coefficient of 6.
5. Create an equation that contains a coefficient of -13.
Homework
6. Circle the constant and underline the coefficient for each expression below
a. 3x – 5
b. 2x - 1
c. 7 – 8x
d. x + 2
7. Create an algebraic expression with a coefficient of 17 and a constant of 3.
8. Create an algebraic expression with a coefficient of -1 and a constant of -1.
9. Create an equation that contains a coefficient of 4.
10. Create an equation that contains a constant of -12.
Order of Operations
Classwork
11. 9 + 3 x 3 + 10 -1 =
12. 11 + 9 x 3 + 5 – 1 =
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13. 3 – 3 + 1 + 3 x 12 =
14. 7 + 63 ÷ 3 =
15. (7 – 4)2 x 3 =
16. 1 + 8 x 2 x 22 =
17. 72 – 82 ÷ 23 + 3 x 5 =
18. (1 + 4) ÷ 5 =
19. 5 – (3 – 1) =
20. (8 + 8) x 3 =
21. (7 – 4) x 2 ÷ (5 – 3) =
22. [(6 – 3) x 2] ÷ 3 =
23.
a. Simplify the expression: 5 x 6 – 6 =
b. Add parentheses to the expression so that it simplifies to a different answer.
24.
a. Simplify the expression: 9 ÷ 1 + 9 =
b. Add parentheses to the expression so that it simplifies to a different answer.
25. Your brother buys 3 shirts for $9 each. He also buys a pair of jeans for $25.00 that
gets a $4.00 discount. How much does he spend?
26. The repairman charged $36 for parts and $12 per hour for labor to repair a bicycle. If
he spent 3 hours repairing the bike, what will the total repair bill be?
Homework
27. 10 – 2 + 9 + 3 x 5 =
28. 10 + 4 – 1 + 3 x 2 =
29. 5 x 8 + 2 – 2 + 12 x 5 + 10 =
30. 6 x 3 + 32 – 6 =
31. 43 – 6 ÷ 3 x 5 =
32. 4+ 43 x 2 ÷ 4 -6 =
33. 5 x 5 + 7 – 2 x 32 =
34. (9 – 3) x 6 =
35. (8 + 4) ÷ 3 – 2 =
36. (2 + 8) x (7 – 3) =
37. 36 – (52 + 4 ÷ 2) =
38. [20 – (10 – 4)] ÷ (8 – 1) =
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39.
a. Simplify the expression: 3 + 12 ÷ 3 =
b. Add parentheses to the expression so that it simplifies to a different answer.
40.
a. Simplify the expression: 22 – 6 x 2 =
b. Add parentheses to the expression so that it simplifies to a different answer.
41. A landscaping company charges $75 for spring yard clean-up and then $25 each
time the grass is cut. If you plan on having the yard cleaned up in the spring, plus
the lawn cut 11 times, how much will it cost?
42. At the clothing store you buy 3 pairs of jeans for $22 each and 4 shirts for $8.50
each. You also have a $20 off coupon. How much do you spend?
Distributive Property
Classwork
43. Use the Distributive Property to rewrite the expressions without parentheses
a.
b.
c.
d.
e.
(x + 4)
8(x – 2)
6(x + 4)
1(x – 4)
(x + 2)8
44.
Marla did 65 sit-ups each day for one week. Write an expression using the
Distributive Property to find the total number of sit-ups Marla did during the week.
Solve the expression.
45.
Tickets for the school play cost $9 each. Tessa wrote the expression 9 x 26 to
find the cost of 26 tickets to the play. Tessa used the Distributive Property to find
the product. Write Tessa’s expression after she used addition and the Distributive
Property.
Homework
46. Use the Distributive Property to rewrite the expressions without parentheses
a.
b.
c.
d.
5(x + 4)
7(x – 12)
3(x - 14)
1(x – 2)
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e. (x - 2)5
47.
Coach Brown bought 6 basketballs for $16 each and 6 footballs for $24 each.
The expression 6 x 16 + 6 x 24 gives the total cost in dollars of the basketballs
and footballs. Use the Distributive Property to write this expression another way.
Then evaluate.
48.
Jessica took her mother to a movie. She paid $9 each for 2 tickets, $4 each for 2
nachos, and $3 each for 2 bottles of water. Use the Distributive Property to show
two different ways to solve the problem. How much did she spend?
Like Terms
Classwork
49. Create a like term for the given term.
a. 4x
b. 13y
c. 15x2
d. 16xy
e. x
50. Simplify the expression if possible by combining like terms.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
o.
7x + 8x
6x + 8y + 2x
15x2 + 5x2
5x +2(x + 8)
10y + 4y
9(x + 5) + 7(x – 3)
8 + (x – 4)2
7y + 8x + 3y + 2x
x + 2x
x2 + 5x2
2x + 4x + 3
6y – 3y
9y + 4y – 2y + y
x + 5x + x + 12
8x – 3x + 2x + 15
Homework
51. Create a like term for the given term.
a. 6x
b. y
c. 10x2
d. 14xy
e. 5x
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52. Simplify the expression if possible by combining like terms.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
o.
17x + 18x + 3
6x + 8y - 2x – y
15x2 + 5x2 + 2x
5x +2(x + 8) + 3
10y + 4y – 5
9(x + 5) + 7(x + 3)
18 + (x – 4)2 – 4
7y + 8x + 3y + 2x + 9
x + 2x + x + 5x
6x2 + 5x2
12x + 14x + 3y
6y – 3y + 6xy + 4xy
9y + 4y – 2y + y + y2
x + 5x + x + 12 – 7x
8x – 3x + 2x + 15 – 7y
Translating between Words & Expressions
Classwork
Translate the words into an algebraic expression.
53. 4 times x
54. The sum of x and 6
55. The product of 9 and y
56. w less than 8
57. 5 more than x
58. The difference of 6 and x
59. 9 times the product of x and 4
60. The product of 5 and y, divided by 3
61. The quotient of 300 and the quantity of x times 2
62. x less than 32
63. The quotient of 35 and the quantity of x minus 7
64. The product of 7 and x, minus the quantity of 4 less than y
65. The quantity of 9 more than x divided by the quantity of 12 less than y
66.
Adult ticket prices are $3 more than child ticket prices. Determine the adult ticket
price, given the child ticket price.
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Child Ticket Price Adult Ticket Price
$5
$7
$10
$12
67.
Write an expression that represents the adult price, if the child price is “x”
68.
For NJASK testing, 25 students are placed in each classroom. Determine the
number of classrooms needed, given the number of students testing.
Number of Students Testing Number of Classroom Needed
250
325
400
520
69.
Write an expression that represents the number of classrooms needed, if the
number of students testing is “x”
70.
Mary has ½ the amount of money that Jim has. Determine the amount of money
that Mary has, given Jim’s amount of money.
Jim’s Amount of Money Mary’s Amount of Money
$50
$100
$175
$220
Write an expression that represents the amount of money Mary has, given
the amount of Jim’s money.
72. Each person running in the race paid $20. Determine the amount of money
collected, given the amount of people running in the race.
Number of People Running Amount of Money Collected
150
230
410
520
71.
73.
Write an expression that represents the amount of money collected, given the
number of people running in the race.
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Write an expression for each of the following situations.
74.
Bob weighs 7 more pounds than Jack. Jack weighs x pounds. Bob’s weight:
75.
Tiffany has 6 dollars less than Jessica. Jessica has x dollars. Tiffany’s money:
76.
Samantha has 12 more stickers than Mike. Mike has x stickers. Samantha’s
sticker amount:
77.
The recipe calls for twice the amount of sugar than flour. There is f amount of flour
in the recipe. Amount of sugar:
78.
Mark’s quiz grade is one more than twice Ted’s quiz grade. Ted’s quiz grade is x.
Mark’s quiz grade:
79.
Laura paid x dollars for her prom dress. Beth paid four dollars less than Laura.
Beth’s prom gown price:
80.
David ran the 5k in x minutes. Harry ran the same race in five minutes less than
double David’s time. Harry’s time:
81.
The beans grew k inches. The tomatoes grew 3 inches more than triple the height
of the beans. Tomato height:
Create a scenario for the following expressions:
82. x + 5
83. 2(x – 3)
Homework
Translate the words into an algebraic expression.
84. The product of 14 and x
85. The quotient of x and 5
86. The sum of 19 and w
87. w less than 8
88. 7 less than x
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89. The difference of 16 and y
90. 9 times the quotient of x and 20
91. The product of 6 and x, less 3
92. The quotient of 100 and the sum of x and 2
93. x less than 2
94. The product of 5 and the quantity of x less than 7
95. The product of 27 and y, divided by the quantity of 4 more than y
96. The quantity of 6 less than x divided by the quantity of 2 more than y
Homework
97.
Child ticket prices are $3 less than adult ticket prices. Determine the child ticket
price, given the adult ticket price.
Adult Ticket Price Child Ticket Price
$10
$15
$20
$25
98. Write an expression that represents the child price, if the adult price is “x”
99.
For busing, 40 students are assigned to each bus. Determine the number of
buses needed, given the number of students riding.
Number of Students Riding Number of Buses Needed
240
320
400
500
100.
Write an expression that represents the number of buses needed, if the number
of students riding is “x”
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101.
The farm always has four times the number of chicks as hens. Determine the
number of chicks, given the number of hens.
Number of Hens Number of Chicks
20
40
50
60
102.
Write an expression that represents the number of chicks, given the number of
hens.
103.
Each person running in the race will eat two hotdogs. Determine the number of
hotdogs needed, given the amount of people running in the race.
Number of People Running Number of Hotdogs needed
150
230
410
520
104.
Write an expression that represents the number of hotdogs needed, given the
number of people running in the race.
Write an expression for each of the following situations.
105.
Bob weighs 17 pounds less than Jack. Jack weighs x pounds. Bob’s weight:
106.
Tiffany has 50 dollars more than Jessica. Jessica has x dollars. Tiffany’s
money:
107.
Samantha has 12 times as many stickers than Mike. Mike has x stickers.
Samantha’s sticker amount:
108.
The recipe calls for triple the amount of sugar than flour. There is f amount of
flour in the recipe. Amount of sugar:
109.
Mark’s quiz grade is six more than double Ted’s quiz grade. Ted’s quiz grade is
x. Mark’s quiz grade:
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110.
Laura paid x dollars for her prom dress. Beth paid 16 dollars more than Laura.
Beth’s prom gown price:
111.
David ran the 5k in x minutes. Harry ran the same race in half the time that
David ran the race. Harry’s time:
112.
The beans grew k inches. The tomatoes grew triple the height of the beans, less
2 inches. Tomato height:
Create a scenario for the following expressions:
113.
2(x + 3)
114.
x-4
Evaluating Expressions
Classwork
115.
Evaluate the expression for the given value
(2n + 1)2 for n = 3
2(n + 1)2 for n = 4
2n + 22 for n = 3
4x + 3x for x = 5
3(x – 3) for x = 7
8(x + 5)(x – 2) for x = 4
3x2 for x = 2
5x + 45 for x = 6
4x for x = 10
5
j. 4y + x for x = 2 and y = 3
k. x + 17 for x = 12 and y = 2
y
l. 6x + 8y for x = 9 and y = ¼
m. x + (2x – 8) for x = 10
n. 5(3x) + 8y for x = 2 and y = 10
a.
b.
c.
d.
e.
f.
g.
h.
i.
Homework
116. Evaluate the expression for the given value
a. (2n + 1)2 for n = 1
b. 2(n + 1)2 for n = 3
c. 2n + 22 for n = 5
d. 4x + 3x for x = 6
e. 3(x – 3) for x = 3
f. 8(x + 5)(x – 2) for x = 6
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g. 3x2 for x = 8
h. 5x + 45 for x = 3
i. 4x for x = 15
5
j. 4y + x for x = 12 and y = 13
k. x + 17 for x = 2 and y = 2
y
l. 6x + 8y for x = 8 and y = ¾
m. x + (2x – 8) for x = 11
n. 5(3x) + 8y for x = 12 and y = 5
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Expressions Unit Review
Determine whether the given terms are like terms. Circle your response.
1.
3x and -2x
Are Like Terms
Are Unlike Terms
2.
5a and 5b
Are Like Terms
Are Unlike Terms
3.
4y and 5xy
Are Like Terms
Are Unlike Terms
4.
x2y and xy2
Are Like Terms
Are Unlike Terms
5.
22 and 14
Are Like Terms
Are Unlike Terms
6.
xy and –xy
Are Like Terms
Are Unlike Terms
7.
Match the expression 3(-4 + 3) with an equivalent expression.
a.
b.
c.
d.
8.
Which algebraic expression represents the number of days in w weeks?
a.
b.
c.
d.
9.
w–7
𝑤
7
w+7
7w
Which algebraic expression represents the number of hours in m minutes?
a.
b.
c.
d.
10.
4(3) + 4(3)
3(-4) + 3(3)
4(3) - 4(3)
3(4) + 3(3)
m – 60
𝑚
60
m + 60
60m
In the expression 3x + 5, the value of 3 is best described as:
a.
b.
c.
d.
the constant
the operation
the variable
the coefficient
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11.
In the expression 2x + 16, the value of 16 is best described as:
a.
b.
c.
d.
12.
the coefficient
the variable
the operation
the constant
Evaluate the expression 2x, when x = 10
a.
b.
c.
d.
13.
a.
b.
c.
d.
5
20
𝑥
?
addition
division
subtraction
multiplication
A group of 15 parents buys tickets to a fundraiser show and receives a group
discount of $2 off the regular ticket price p. Which expression represents the
total cost of the tickets, in dollars?
a.
b.
c.
d.
15.
1
What operation is being performed between the coefficient and variable in the
expression
14.
20
12
210
15 • p + 2
15 • (p - 2)
p - 15 • 2
p • (15 - 2)
A music store sells CDs for $15 and tapes for $3. Which expression could be
used to find the dollar total of the sales for an hour if the store sold 8 CDs and 5
tapes?
a.
b.
c.
d.
(8 + 15) • (5 + 3)
(8 •15) + (5 • 3)
(8 • 3) + (5 •15)
(15 ÷8) + (5 ÷ 3)
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16.
There were three times as many adults as students attending a school play. If
the attendance was 480, how many adults and how many students attended the
play?
a.
b.
c.
d.
17.
18.
360 students
120 adults
240 students
240 adults
120 students
360 adults
160 students
320 adults
Use the distributive property to rewrite the expression without parentheses:
7(x – 8)
a. 7x – 8
b. x – 56
c. 7x + 56
d. 7x – 56
What is the value of the expression x + y when x = 15 and y = 21?
a.
b.
c.
d.
6
30
36
42
19. Collect the like terms: 5x2 + 2x + x2 + 9x – 3
a.
13x
b.
13x2
c.
17x – 3
d.
6x2 + 11x – 3
20.
Claire has had her driver’s license for three years. Bill has had his license for “b”
fewer years than Claire. Which expression can be used to show the number of
years Bill has had his driver’s license?
a.
b.
c.
d.
3+b
b+3
3-b
b<3
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21.
Which situation is best modeled by the expression 25 – x?
a.
b.
c.
d.
George places “x” more video games on a shelf with 25 games
Sarah has driven “x” miles of a 25 mile trip
Amelia paid $25 of an “x” dollar lunch she shared with Ariel
George has 25 boxes full of “x” baseball cards each
22. 15 + (11 – 9 )
15 – 5 + 9
a. >
b. <
c. =
23.
Nine decreased by the quantity eight times a number “x”.
a.
b.
c.
d.
24.
Four more than the quotient of 25 and y.
a.
b.
c.
d.
25.
𝟐𝟓
𝒚
𝒚
+4
+4
𝟐𝟓
𝟐𝟓+𝟒
𝒚
𝒚
𝟐𝟓−𝟒
What is the coefficient of x in the expression 4y + 5 - x?
a.
b.
c.
d.
26.
8x - 9
9 – 8x
9x - 8
8 – 9x
5
1
-1
0
A rectangle is 6 inches longer than it is wide. Write and simplify an expression for
the perimeter of the rectangle in terms of the width w.
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27.
You and a friend worked in the school store last week. You worked 4 hours less
than your friend. Let h be the number of hours your friend worked. Write an
expression in simplest form that represents the total number of hours you both
worked.
28.
A trail mix contains peanuts, raisins, and M&Ms. In the mix, the amount of
peanuts is three times the amount of M&Ms; and the amount of raisins is two
times the amount of M&Ms. Let m represent the amount of M&Ms. Write and
simplify an expression for the total number of pieces of food in the trail mix.
29.
Simplify: 5 + 2(3x + 4) + x
30.
Evaluate the expression
5
(F – 32) when F = 41
9

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31. At the video arcade, Jenny buys 25 tokens. She uses two tokens for each game
she plays.
32.
33.
a)
Write an expression for the number of tokens Jenny has left after playing
g games.
b)
Find the number of tokens Jenny has left after playing 1, 4, 6, 10 and 12
games.
Bob wants to go to the movies with his friends. The movie theater charges $8
per ticket. Bob’s friends reserve $48.00 worth of tickets in advance. How many
people in total can attend the movie?
a)
Identify the variable
b)
Identify the constant
c)
Write an equation which includes the number of people attending the
movie, the price of each ticket, and the total cost of the movie.
Write an expression that has four terms and simplifies to 16x+ 5.
a)
Identify the like terms
b)
Identify the coefficients
c)
Identify the constant terms
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34.
Simplify the expression:
a)
15 + 3 x 2 – 6 (Show all steps)
b)
Add parentheses to the expression so that it simplifies to a different
answer.
(Show all steps)
c)
Explain why parts a and b have a different answer.
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Answer Key
1)
30) 21
a. constant: -3, coefficient: 5
31) 54
b. constant: 7, coefficient: 2
32) 30
c. constant: 2, coefficient: -4
33) 14
d. constant: 3, coefficient: 1
34) 36
2) 7x + 4
35) 2
3) –x - 12
36) 40
4) Multiple answers; ex: 6x + 1 = 5
5) Multiple answers; ex: -13x + 1 = 7
37) 9
6)
38) 2
a. constant: -5, coefficient: 3
39)
b. constant: -1, coefficient: 2
a. 7
c. constant: 7, coefficient: -8
b. (3 + 12) ÷ 3 = 5
d. constant: 2, coefficient: 1
40)
7) 17x + 3
a. 10
8) –x - 1
9) Multiple answers; ex: 4x + 2 = 10
b. (22 – 6) x 2 = 32
10) Multiple answers; ex: -12x + 2 = 15
41) 75 + 11(25) = $350
11) 27
42) 3(22) + 4(8.5) - 20 = $80
12) 42
43)
13) 37
a. x + 4
14) 79
b. 8x - 16
c. 6x + 24
15) 27
d. x - 4
16) 65
e. 8x + 16
17) 56
44) 7(60 + 5) = 7(60) + 7(5) = 420 + 35 =
18) 1
455
19) 3
45) 9(20 + 6) = 9(20) + 9(6) = 180 + 54 =
20) 48
234
21) 3
46)
a. 5x + 20
22) 2
b. 7x - 84
23)
c. 3x - 42
a. 24
d. x - 2
b. 5 x (6-6) = 0
e. 5x - 10
24)
47) 6(16+24) = 6(40) = 240
a. 18
48) 2(9) + 2(4) + 2(3) = 2(9 + 4 + 3) =
2(16) = 32
b. 9 ÷ (1 + 9) = 0.90
49)
25) 3(9) + (25 - 4) = $48
a. Multiple Answers, ex: 6x
26) 36 + 3(12) = $72
b. Multiple Answers, ex: 26y
27) 32
c. Multiple Answers, ex: 3x2
28) 19
d. Multiple Answers, ex: 4xy
29) 110
e. Multiple Answers, ex: 5x
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50)
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
o.
15x
8x + 8y
20x2
7x + 16
14y
16x + 24
2x
10y + 10x
3x
6x2
6x + 3
3y
12y
7x + 12
7x + 15
a.
b.
c.
d.
e.
Multiple Answers, ex:
Multiple Answers, ex:
Multiple Answers, ex:
Multiple Answers, ex:
Multiple Answers, ex:
a.
b.
c.
d.
35x + 3
4x + 7y
20x2 + 2x
7x + 19
e. 14y - 5
f. 16x + 66
g. 2x + 6
h. 10y + 10x + 9
i. 9x
j. 11x2
k. 26x + 3y
l. 3y + 10xy
m. 12y + y2
n. 12
o. 7x + 15 - 7y
53) 4x
54) x + 6
55) 9y
56) 8 - w
57) 5 + x
58) 6 - x
59) 9(4x)
5𝑦
60) 3
51)
7x
3y
8x2
9xy
3x
300
61) 2𝑥
62) 32 - x
35
63) 𝑥−7
64) 7x - (y - 4)
𝑥+9
65) 𝑦−12
52)
66)
Child Ticket Price
$5
$7
$10
$12
Adult Ticket Price
$8
$10
$13
$15
x+3
67)
Number of Students Testing
250
325
400
520
Number of Classroom Needed
10
13
16
21
𝑥
68) 25
69)
Jim’s Amount of Money Mary’s Amount of Money
$50
$25
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$100
$175
$220
$50
$87.50
$110
𝑥
70) 2
71)
Number of People Running
150
230
410
520
Amount of Money Collected
$3,000
$4,600
$8,200
$10,400
72) 20x
73) x + 7
74) x - 6
75) x + 12
76) 2f
77) 2x + 1
78) x - 4
79) 2x - 5
80) 3k + 3
81) Multiple Answers
82) Multiple Answers
83) 14x
𝑥
84) 5
96)
85) 19 + w
86) 8 - w
87) x - 7
88) 16 - y
𝑥
89) 9(20)
90) 6x - 3
91) 100/(x + 2)
92) 2 - x
93) 5(7 - x)
27𝑦
94) 𝑦+4
𝑥−6
95) 𝑦+2
Adult Ticket Price
$10
$15
$20
$25
Child Ticket Price
$7
$12
$17
$22
97) x - 3
98)
Number of Students Riding
240
320
400
500
Number of Buses Needed
6
8
10
13
𝑥
99) 40
100)
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Number of Hens
20
40
50
60
Number of Chicks
80
160
200
240
101) 4x
102)
Number of People Running
150
230
410
520
103)
104)
105)
106)
107)
108)
109)
110)
111)
112)
113)
114)
a.
b.
c.
d.
e.
f.
g.
h.
i.
Number of Hotdogs needed
300
460
820
1040
2x
x - 17
x + 50
12x
3f
2x + 6
x + 16
j.
k.
l.
m.
n.
115)
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
𝑥
2
3k - 2
Multiple Answers
Multiple Answers
49
50
10
35
12
144
12
75
8
Expressions Unit Review Answer Key
1. Are Like Terms
2. Are Unlike Terms
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14
23
56
22
110
9
32
14
42
0
352
192
60
12
64
18
54
25
220
3. Are Unlike Terms
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4. Are Like Terms
15. b
5. Are Like Terms
16. c
6. Are Like Terms
17. d
7. b
18. c
8. d
19. d
9. b
20. c
10. d
21. b
11. d
22. b
12. a
23. b
13. b
24. a
14. b
25. c
31.
a. 25 - 2g
b. 25 - 2(1) = 23 tokens left after 1 game
25 - 2(4) = 17 tokens left after 4 games
25 - 2(6) = 13 tokens left after 6 games
25 - 2(10) = 5 tokens left after 10 games
25 - 2(12) = 1 token left after 12 games
26. w+w+(w + 6)+(w+6)
4w + 12
27. h + (h - 4)
2h – 4
28. 3m + 2m + m
6m
29. 5 + 6x + 8 + x
7x + 13
30. 5
32.
a. Variable: p = number of people
b. Constant: 8 (dollars per ticket)
c. 8p = 48
33.
a. Answers will vary; for example 4(4x + 3) -7
b. Like Terms: All terms that contain “x” are like terms; all numerical terms are like
terms
c. Coefficients: The numbers with “x” in the “x” terms
d. Constants: The numbers in the numerical terms.
34.
a. 15 + 3 x 2 – 6 = 15
b. (15 + 3) x 2 – 6 = 30
c. The parentheses cause you to do the addition prior to the multiplication.
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