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. PowerPoint PPT Presentation


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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 ).

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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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Chapters 1 and 2 ReviewEverything 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

  • 4q + p

  • 4 + q + p

  • 4qp

  • 4(q + p)


Define a variable and write an expression for the phrase.


What equation models the data in the table if d = number of days and c = cost?

  • d = 22c

  • c = 22d

  • c = d + 22d

  • c = d + 22


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?

  • s = 3P

  • P = 3s

  • P = 3 + s

  • P = 3(s + s + s)


Team Scores


Evaluate u + xy, for u = 18, x = 10, and y = 8.

  • 188

  • 36

  • 98

  • 224


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.

  • $95.38

  • $60.99

  • $57.23

  • $78.19


When simplifying an expression, you ____ perform operations inside grouping symbols first.

  • always

  • sometimes

  • never


Team Scores


Evaluate the expression for a = 4 and b = 3.

  • 36

  • 24

  • 81

  • 144


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.

  • 30°C

  • 16.7°C

  • 52.2°C

  • 2.4°C


Picture

Simplify the expression.

  • 108

  • 36

  • 18

  • 9


Team Scores


Picture

Simplify the expression.

  • 29

  • 80

  • 128

  • 92


Picture

Simplify the expression.

  • 297

  • 868

  • 437

  • 867


Picture

Simplify the expression.

  • 585

  • 169

  • 26

  • 181


Team Scores


Evaluate the formula for B = 9 in.2 and h = 32 in.

  • 288 in.3

  • 9.6 in.3

  • 32 in.3

  • 96 in.3


A rational number is ____ a real number.

  • always

  • sometimes

  • never


Name the set(s) of numbers to which 1.68 belongs.

  • rational numbers

  • natural numbers, whole numbers, integers, rational numbers

  • rational numbers, irrational numbers

  • none of the above


Team Scores


Name the set(s) of numbers to which –5 belongs.

  • whole numbers, natural numbers, integers

  • rational numbers

  • whole numbers, integers, rational numbers

  • integers, rational numbers


Which set of numbers is the most reasonable to describe the number of desks in a classroom?

  • whole numbers

  • irrational numbers

  • rational numbers

  • integers


The opposite of a negative number is ____ negative.

  • always

  • sometimes

  • never


Team Scores


Picture

=

  • 2.8

  • –2.8


Write a function rule for each table.

  • p = 7.50h

  • p = 15h

  • p = h + 15

  • h = 7.50p


Write a function rule for each table.

  • c = 22d + 12

  • c = 12d + 22

  • c = 22d + 22

  • c = 22d


The cost of playing pool increases with the amount of time using the table. Identify the independent and dependent quantity in the situation.

  • time at table; cost

  • cost; time at table

  • number of games; cost

  • cost; number of players


Team Scores


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.

  • number of cars; money raised; 50 to 75 cars; $500 to $750

  • money raised; number of cars; $500 to $750; 50 to 75 cars

  • number of cars; money raised; $500 to $750; 50 to 75 cars

  • money raised; number of cars; 50 to 75 cars; $500 to $750


Simplify the expression.

–9 + 6

  • 15

  • –3

  • –15

  • 3


Simplify the expression.

–4.8 – (–4.9) + 5.7

  • –4

  • –5.8

  • 5.8

  • –15.4


Simplify the expression.

Picture

  • 13

  • –13

  • 12

  • –12


Team Scores


Simplify the expression.

3.7 – 1.8 – 3.67 + 4.4 – 1.34

  • –7.51

  • –1.29

  • 1.29

  • 8.63


Simplify the expression.

–6.5(–4.9)

  • –16.25

  • –31.85

  • –12.25

  • 31.85


Simplify the expression.

Picture

  • –32

  • 16

  • –10

  • 32


Team Scores


Simplify the expression.

Picture

  • 20

  • 125

  • –625

  • 625


Simplify the expression.

Picture

  • 36

  • –72

  • 72

  • –36


Simplify the expression.

(–5 – c)(–1)

  • –5 + c

  • 5 + c

  • 5 – c

  • –5 – c


Team Scores


Simplify the expression.

Picture

  • –18n + 81mn – 153np

  • –2n + 9m – 17p

  • –2n + 9mn – 17np

  • –2n – 9mn + 17np


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.

  • 12,540 ft

  • –12,540 ft

  • 10,740 ft

  • 12,940 ft


Simplify the expression.

Evaluate –x + 2.7 for x = 0.9.

  • –1.8

  • –3.6

  • 1.8

  • 3.6


Team Scores


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.

  • 11 + c; 11 + (–85) = 96

  • 85 + c; 85 + (–11) = 74

  • 11 – c; 11 – (–85) = 74

  • 85 – c; 85 – (–11) = 96


Evaluate for x = –2 and y = 3.

  • 4

  • 8

  • –4

  • –8


Evaluate b – 2a – cfor a = –7, b = 3, and c = –7.

  • 24

  • 3

  • 10

  • –18


Team Scores


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.

  • $26.44

  • $24.94

  • $25.75

  • $25.06


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.

  • $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


Evaluate x(–y + z) for x = 3, y = 3, and z = 1.

  • –6

  • 10

  • 12

  • –8


Team Scores


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.

  • 126.5 degrees

  • –126.5 degrees

  • –125 degrees

  • 125 degrees


The product of two negative numbers is ____ positive.

  • always

  • sometimes

  • never


–12¸(–2)

  • 24

  • –6

  • –24

  • 6


Team Scores


Evaluate for m = –4, n = 2, and p = 1.5.

  • –10

  • –19

  • –30

  • –22


If a is a negative number, then is ____ equal to –1.

  • always

  • sometimes

  • never


Simplify 7(499) using the Distributive Property.

  • 3500

  • 3493

  • 3514

  • 3486


Team Scores


Use the Distributive Property to find the price of 7 CDs that cost $14.99 each.

  • $105.00

  • $98.00

  • $104.93

  • $105.70


For every real number x, y, and z, the statement is ____ true.

  • always

  • sometimes

  • never


–10z – 28z

  • 38z

  • –38z

  • 18

  • 18z


Team Scores


Name the property the equation illustrates.


Picture

  • Inverse Property of Multiplication

  • Multiplication Property of –1

  • Identity Property of Addition

  • Identity Property of Multiplication


0 + x = x

  • Identity Property of Addition

  • Multiplication Property of 0

  • Commutative Property of Addition

  • Inverse Property of Multiplication


8´1/8 = 1

  • Identity Property of Division

  • Inverse Property of Addition

  • Inverse Property of Multiplication

  • Multiplication Property of –1


Team Scores


8.2 + (–8.2) = 0

  • Inverse Property of Addition

  • Addition Property of 0

  • Identity Property of Addition

  • Inverse Property of Multiplication


8 + 3.4 = 3.4 + 8

  • Inverse Property of Addition

  • Associative Property of Addition

  • Commutative Property of Addition

  • Inverse Property of Multiplication


7 + (4 + 4) = (7 + 4) + 4

  • Inverse Property of Addition

  • Associative Property of Addition

  • Commutative Property of Multiplication

  • Commutative Property of Addition


Picture

  • Associative Property of Addition

  • Commutative Property of Multiplication

  • Inverse Property of Multiplication

  • Commutative Property of Addition


(ab)3 = a(b3)

  • Inverse Property of Multiplication

  • Associative Property of Addition

  • Associative Property of Multiplication

  • Commutative Property of Multiplication


Team Scores

One More Question !!!!!


Final Scores


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