Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 4

By Formative Library
Last updated almost 3 years ago
10 Questions
1.

The graph and the table show the high temperatures in a city over a 10-day period.

What was the high temperature on Day 7?

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2.

The graph and the table show the high temperatures in a city over a 10-day period.

What was the high temperature on Day 7?

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3.

The graph and the table show the high temperatures in a city over a 10-day period.

On which days was the high temperature 61 degrees?

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4.

The graph and the table show the high temperatures in a city over a 10-day period.

Is the high temperature a function of the day? Explain how you know.

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5.

The graph and the table show the high temperatures in a city over a 10-day period.

Is the day a function of the high temperature? Explain how you know.

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6.

The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.

Write an equation in the form y=kx to describe this situation, where represents the hours she works and y represents the dollars she earns.

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7.

The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.

Is y a function of x? Explain how you know.

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8.

The amount Lin’s sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour.

Write an equation describing x as a function of y.

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9.

Use the equation 2m+4s=16 to complete the table, then graph the line using s as the dependent variable.

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10.

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