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

By Formative Library
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Last updated over 2 years ago
10 Questions
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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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