24-25 WMS 7 Math LC #2 Review

In a city, the average cost of electricity is $0.12 per kilowatt-hour. Which graph best represents this relationship?

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Tags

TEKS.MATH.7.4.A

Tags

TEKS.MATH.7.4A

A home printer prints 48 black-and-white pages in 1.5 minutes. The same printer prints 20 color pages in 2.5 minutes.

What are the rates in pages per minute for black-and-white and color printing?

Choose the correct answer from each drop-down menu to complete the sentences.

The printer prints ​ ​ (a)   pages per minute in black-and-white.

The printer prints​ (b)   pages per minute in color.

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• 8
• 3
• 80
• 5
• 40

A diver had descended 64 feet underwater after 4 minutes. After 6 minutes, the diver had descended 96 feet underwater.

What is the constant of proportionality that relates the number of feet descended, y, to the number of minutes, x?

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• 16

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Carson practices each day to prepare for an upcoming race. He starts the day by running 2 miles and then walking at a rate of 4 miles per hour.

Which representations show the relationship between the total number of miles he covers in a day, y, and the number of hours he walks, x?

Select THREE correct answers.

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Maggie has a $50 gift card that she will use to purchase games for her phone. Each game costs $1.99. She has a coupon code for $5 off her entire purchase.

Which equation can be used to find x, the maximum number of games Maggie can purchase?

• 50 = 1.99 - 5x

• 50 = 1.99 + 5x

• 50 = 1.99x + 5

• 50 = 1.99x -5

What is the solution set for each inequality?

Move the correct answer to each box in the table. Each answer may be used more than once. Not all answers will be used.

a

b

x < 9

x < -3

x > 9

x > -3

Determine whether each equation is true or not true when m = -5.

Drag the equation under its corresponding answering.

Groups:

(a) True

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(b) Not True

• 4m - 6 = 14

• 4m - 6 = -26

• -2m + 7 = 17

• -2m + 7 = -3

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• 41

• 86

• 68