# 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.

• 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)

### 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

• always

• sometimes

• never

### 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

### Picture

Simplify the expression.

• 29

• 80

• 128

• 92

### Picture

Simplify the expression.

• 297

• 868

• 437

• 867

### Picture

Simplify the expression.

• 585

• 169

• 26

• 181

• 288 in.3

• 9.6 in.3

• 32 in.3

• 96 in.3

• 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

### 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

• always

• sometimes

• never

=

• 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.

• 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.

• –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

• 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.

• –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

• 4

• 8

• –4

• –8

• 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

• –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

• always

• sometimes

• never

• 24

• –6

• –24

• 6

• –10

• –19

• –30

• –22

• always

• sometimes

• never

• 3500

• 3493

• 3514

• 3486

• \$105.00

• \$98.00

• \$104.93

• \$105.70

• always

• sometimes

• never

• 38z

• –38z

• 18

• 18z

### Team Scores

Name the property the equation illustrates.

### Picture

• Inverse Property of Multiplication

• Multiplication Property of –1

• Identity Property of Multiplication

### 0 + x = x

• Multiplication Property of 0

• Inverse Property of Multiplication

### 8´1/8 = 1

• Identity Property of Division

• Inverse Property of Multiplication

• Multiplication Property of –1

### 8.2 + (–8.2) = 0

• Inverse Property of Multiplication

### 8 + 3.4 = 3.4 + 8

• Inverse Property of Multiplication

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

• Commutative Property of Multiplication

### Picture

• Commutative Property of Multiplication

• Inverse Property of Multiplication

### (ab)3 = a(b3)

• Inverse Property of Multiplication