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

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 ReviewEverything you wanted to know about expressions but were afraid to ask.

• Team 1
• Team 2
• Team 3
• Team 4
• Team 5
4 times the sum of q and p
• 4q + p
• 4 + q + p
• 4qp
• 4(q + p)
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)

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

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
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
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

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.

–6.5(–4.9)
• –16.25
• –31.85
• –12.25
• 31.85

Simplify the expression.

(–5 – c)(–1)
• –5 + c
• 5 + c
• 5 – c
• –5 – c

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

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

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

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
–12¸(–2)
• 24
• –6
• –24
• 6
• always
• sometimes
• never
Use the Distributive Property to find the price of 7 CDs that cost \$14.99 each.
• \$105.00
• \$98.00
• \$104.93
• \$105.70
• always
• sometimes
• never
–10z – 28z
• 38z
• –38z
• 18
• 18z
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