chapters 1 and 2 review everything you wanted to know about expressions but were afraid to ask
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Chapters 1 and 2 Review Everything you wanted to know about expressions but were afraid to ask. Please select a Team. Team 1 Team 2 Team 3 Team 4 Team 5. Write an algebraic expression for the phrase. 4 times the sum of q and p. 4 q + p 4 + q + p 4 qp 4( q + p ). - PowerPoint PPT PresentationTRANSCRIPT
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Chapters 1 and 2 Review
Everything you wanted to know about expressions but were afraid to
ask.
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Please select a Team.
Team 1
Team 2
Team 3
Team 4
Team 5
20% 20% 20%20%20%1. Team 12. Team 23. Team 34. Team 45. Team 5
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Write an algebraic expression for the phrase.
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4q +
p
4 + q
+ p
4qp
4(q +
p)
25% 25%25%25%
4 times the sum of q and p
1. 4q + p2. 4 + q + p3. 4qp4. 4(q + p)
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Define a variable and write an expression for the phrase.
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d = 22
c
c = 2
2d
c = d
+ 22
d
c = d
+ 22
25% 25%25%25%
Days Cost2 443 665 1106 132
What equation models the data in the table if d = number of days
and c = cost?
1. d = 22c2. c = 22d3. c = d + 22d4. c = d + 22
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s = 3
P P =
3s
P = 3 +
s
P = 3(s
+ s +
s)
25% 25%25%25%
An equilateral triangle has three sides of equal length. What is the equation for the perimeter of an equilateral
triangle if P = perimeter and s = length of a side?
1. s = 3P2. P = 3s3. P = 3 + s4. P = 3(s + s + s)
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Team Scores
0 Team 10 Team 20 Team 30 Team 40 Team 5
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188 36 98 22
4
25% 25%25%25%
Evaluate u + xy, for u = 18, x = 10, and y = 8.
1. 1882. 363. 984. 224
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$95.38 $60.99 $57.23 $78.19
25% 25%25%25%
A pair of shoes costs $52.99 and the state sales tax is 8%. Use the formula C = p + rp to find the total cost of the
shoes, where C is the total cost, p is the price, and r is the sales tax rate.
1. $95.382. $60.993. $57.234. $78.19
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alway
s
someti
mes nev
er
33% 33%33%
When simplifying an expression, you ____ perform operations inside grouping symbols
first.1. always2. sometimes3. never
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Team Scores
0 Team 10 Team 20 Team 30 Team 40 Team 5
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36 24 81 144
25% 25%25%25%
Evaluate the expression for a = 4 and b = 3.
1. 362. 243. 814. 144
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30°C
16.7°
C
52.2°
C 2.
4°C
25% 25%25%25%
You can use the formula to convert temperature in degrees Fahrenheit, F, to temperature in
degrees Celsius, C. What is 62°F in degrees Celsius? Round your answer to the nearest tenth.
1. 30°C2. 16.7°C3. 52.2°C4. 2.4°C
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108 36 18 9
25% 25%25%25%1. 1082. 363. 184. 9
Simplify the expression.
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Team Scores
0 Team 10 Team 20 Team 30 Team 40 Team 5
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29 80 128 92
25% 25%25%25%1. 292. 803. 1284. 92
Simplify the expression.
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297
868
437
867
25% 25%25%25%1. 2972. 8683. 4374. 867
Simplify the expression.
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585
169 26 18
1
25% 25%25%25%1. 5852. 1693. 264. 181
Simplify the expression.
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Team Scores
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288 i
n.3
9.6 i
n.3
32 in
.3
96 in
.3
25% 25%25%25%
Evaluate the formula for B = 9 in.2 and h = 32 in.
1. 288 in.3
2. 9.6 in.3
3. 32 in.3
4. 96 in.3
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alway
s
someti
mes nev
er
33% 33%33%
A rational number is ____ a real number.
1. always2. sometimes3. never
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ratio
nal nu
mbers
natural
numbers, w
h...
ratio
nal nu
mbers, ir
r...
none of th
e abov
e
25% 25%25%25%
Name the set(s) of numbers to which 1.68 belongs.
1. rational numbers2. natural numbers,
whole numbers, integers, rational numbers
3. rational numbers, irrational numbers
4. none of the above
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whole
numbers, n
atur..
ratio
nal nu
mbers
whole
numbers, in
te...
integ
ers, ra
tional
nu...
25% 25%25%25%
Name the set(s) of numbers to which –5 belongs.
1. whole numbers, natural numbers, integers
2. rational numbers3. whole numbers,
integers, rational numbers
4. integers, rational numbers
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whole
numbers
irrati
onal numbers
ratio
nal nu
mbers
integ
ers
25% 25%25%25%
Which set of numbers is the most reasonable to describe the number of desks
in a classroom?1. whole numbers2. irrational numbers3. rational numbers4. integers
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alway
s
someti
mes nev
er
33% 33%33%
The opposite of a negative number is ____ negative.
1. always2. sometimes3. never
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Team Scores
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2.8 –2.8
50%50%1. 2.82. –2.8
=
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p = 7.5
0h
p = 15
h
p = h +
15
h = 7.5
0p
25% 25%25%25%
Hour Worked
Pay
2 $15.004 $30.006 $45.008 $60.00
Write a function rule for each table.
1. p = 7.50h2. p = 15h3. p = h + 154. h = 7.50p
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c = 2
2d + 12
c = 1
2d + 22
c = 2
2d + 22
c = 2
2d
25% 25%25%25%
Days Cost to Rent a Truck
1 342 563 784 100
1. c = 22d + 122. c = 12d + 223. c = 22d + 224. c = 22d
Write a function rule for each table.
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time a
t table
; cost
cost;
time a
t table
number of
games
; cost
cost;
number of p
layers
25% 25%25%25%
The cost of playing pool increases with the amount of time using the table. Identify the independent and dependent
quantity in the situation.
1. time at table; cost2. cost; time at table3. number of games;
cost4. cost; number of
players
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Team Scores
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number ofcars;
moneyraised; 50to 75 cars;
$500 to$750
moneyraised;
number ofcars; $500to $750; 50to 75 cars
number ofcars;
moneyraised;$500 to
$750; 50 to75 cars
moneyraised;
number ofcars; 50 to
75 cars;$500 to
$750
25% 25%25%25%
The french club is holding a car wash fundraiser. They are going to charge $10 per car, and expect between 50 and 75 cars. Identify the
independent and dependent quantity in the situation, and find reasonable domain and range values.
1. number of cars; money raised; 50 to 75 cars; $500 to $750
2. money raised; number of cars; $500 to $750; 50 to 75 cars
3. number of cars; money raised; $500 to $750; 50 to 75 cars
4. money raised; number of cars; 50 to 75 cars; $500 to $750
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15 –3 –15 3
25% 25%25%25%
–9 + 61. 152. –33. –154. 3
Simplify the expression.
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–4 –5.8 5.8
–15.4
25% 25%25%25%
–4.8 – (–4.9) + 5.71. –42. –5.83. 5.84. –15.4
Simplify the expression.
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13 –13 12 –1
2
25% 25%25%25%1. 132. –133. 124. –12
Simplify the expression.
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–7.51
–1.29 1.2
98.6
3
25% 25%25%25%
3.7 – 1.8 – 3.67 + 4.4 – 1.341. –7.512. –1.293. 1.294. 8.63
Simplify the expression.
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–16.2
5
–31.8
5
–12.2
531
.85
25% 25%25%25%
–6.5(–4.9)1. –16.252. –31.853. –12.254. 31.85
Simplify the expression.
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–32 16 –1
0 32
25% 25%25%25%1. –322. 163. –104. 32
Simplify the expression.
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20 125
–625 62
5
25% 25%25%25%1. 202. 1253. –6254. 625
Simplify the expression.
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36 –72 72 –3
6
25% 25%25%25%1. 362. –723. 724. –36
Simplify the expression.
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–5 +
c 5
+ c 5
– c
–5 –
c
25% 25%25%25%
(–5 – c)(–1)1. –5 + c2. 5 + c3. 5 – c4. –5 – c
Simplify the expression.
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–18n
+ 81mn –
153n
p
–2n + 9m
– 17
p
–2n + 9m
n – 17
np
–2n –
9mn +
17np
25% 25%25%25%1. –18n + 81mn – 153np
2. –2n + 9m – 17p3. –2n + 9mn – 17np4. –2n – 9mn + 17np
Simplify the expression.
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12,54
0 ft
–12,5
40 ft
10,74
0 ft
12,94
0 ft
25% 25%25%25%
A mountain climber ascends a mountain to its peak. The peak is 12,740 ft above sea level. The climber then
descends 200 ft to meet a fellow climber. Find the climber’s elevation above sea level after meeting the other climber.
1. 12,540 ft2. –12,540 ft3. 10,740 ft4. 12,940 ft
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–1.8
–3.6 1.8 3.6
25% 25%25%25%
Evaluate –x + 2.7 for x = 0.9.1. –1.82. –3.63. 1.84. 3.6
Simplify the expression.
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11 +
c; 11
+ (–85
) = 96
85 +
c; 85
+ (–11
) = 74
11 –
c; 11
– (–8
5) = 7
4
85 –
c; 85
– (–1
1) = 9
6
25% 25%25%25%
The temperature on a summer afternoon is 85°F. Define a variable and write an expression to find the temperature
after it changes. Then evaluate your expression for a decrease of 11 degrees Fahrenheit.
1. 11 + c; 11 + (–85) = 962. 85 + c; 85 + (–11) = 743. 11 – c; 11 – (–85) = 744. 85 – c; 85 – (–11) = 96
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4 8 –4 –8
25% 25%25%25%
Evaluate for x = –2 and y = 3.
1. 42. 83. –44. –8
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24 3 10 –18
25% 25%25%25%
Evaluate b – 2a – c for a = –7, b = 3, and c = –7.
1. 242. 33. 104. –18
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$26.44 $24.94 $25.75 $25.06
25% 25%25%25%
The closing price of a share of stock in Company XYZ is $25.69 on Thursday. If the change from the closing price on
Wednesday is –$0.75, find the closing price on Wednesday.
1. $26.442. $24.943. $25.754. $25.06
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$72.31 +($17.92 –$15.33);$74.90
$72.31 –$17.92 –$15.33;$39.06
$72.31 +$17.92 +$15.33;$105.56
$72.31 –($17.92 –$15.33);$69.72
25% 25%25%25%
You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. Write and
evaluate an expression for your balance at the beginning of the month.
1. $72.31 + ($17.92 – $15.33); $74.90
2. $72.31 – $17.92 – $15.33; $39.06
3. $72.31 + $17.92 + $15.33; $105.56
4. $72.31 – ($17.92 – $15.33); $69.72
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–6 10 12 –8
25% 25%25%25%
Evaluate x(–y + z) for x = 3, y = 3, and z = 1.
1. –62. 103. 124. –8
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25% 25%25%25%
The expression can be used to calculate the change in temperature in degrees Fahrenheit for an increase in altitude a, measured in feet.
A plane starts on the ground and then rises 23,000 ft. Find the change in temperature at the
altitude of the plane.1. 126.5 degrees2. –126.5 degrees3. –125 degrees4. 125 degrees
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alway
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33% 33%33%
The product of two negative numbers is ____ positive.
1. always2. sometimes3. never
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24 –6 –24 6
25% 25%25%25%
–12(–2)
1. 242. –63. –244. 6
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–10
–19
–30
–22
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Evaluate for m = –4, n = 2, and p = 1.5.
1. –102. –193. –304. –22
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If a is a negative number, then is ____ equal to –1.
1. always2. sometimes3. never
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3500
3493
3514
3486
25% 25%25%25%
Simplify 7(499) using the Distributive Property.
1. 35002. 34933. 35144. 3486
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$105.00 $98.00 $104.93 $105.70
25% 25%25%25%
Use the Distributive Property to find the price of 7 CDs that cost $14.99 each.
1. $105.002. $98.003. $104.934. $105.70
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For every real number x, y, and z, the statement is ____ true.
1. always2. sometimes3. never
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38z
–38z 18 18
z
25% 25%25%25%
–10z – 28z
1. 38z2. –38z3. 184. 18z
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Name the property the equation illustrates.
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Inve
rse P
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of Mu...
Multip
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Iden
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Iden
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.
25% 25%25%25%1. Inverse Property of Multiplication
2. Multiplication Property of –1
3. Identity Property of Addition
4. Identity Property of Multiplication
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Iden
tity Prop
erty o
f A...
Multip
licati
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Commutative
Propert
...
Inve
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0 + x = x
1. Identity Property of Addition
2. Multiplication Property of 0
3. Commutative Property of Addition
4. Inverse Property of Multiplication
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Iden
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81/8 = 1
1. Identity Property of Division
2. Inverse Property of Addition
3. Inverse Property of Multiplication
4. Multiplication Property of –1
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Inve
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Iden
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8.2 + (–8.2) = 0
1. Inverse Property of Addition
2. Addition Property of 0
3. Identity Property of Addition
4. Inverse Property of Multiplication
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Inve
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Commutative
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8 + 3.4 = 3.4 + 8
1. Inverse Property of Addition
2. Associative Property of Addition
3. Commutative Property of Addition
4. Inverse Property of Multiplication
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Commutative
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Commutative
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7 + (4 + 4) = (7 + 4) + 41. Inverse Property of
Addition2. Associative Property of
Addition3. Commutative Property
of Multiplication4. Commutative Property
of Addition
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Associa
tive P
ropert
y...
Commutative
Propert
...
Inve
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Commutative
Propert
...
25% 25%25%25%1. Associative Property of Addition
2. Commutative Property of Multiplication
3. Inverse Property of Multiplication
4. Commutative Property of Addition
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Inve
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Associa
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Associa
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Commutative
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(ab)3 = a(b3)1. Inverse Property of
Multiplication2. Associative Property of
Addition3. Associative Property of
Multiplication4. Commutative Property
of Multiplication
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One More Question !!!!!
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