Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 4
By Formative Library
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Last updated about 3 years ago
10 Questions
1 point
1
Question 1
1.
The graph and the table show the high temperatures in a city over a 10-day period.
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?
8.F.3
8.F.1
1 point
1
Question 2
2.
The graph and the table show the high temperatures in a city over a 10-day period.
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?
8.F.3
8.F.1
1 point
1
Question 3
3.
The graph and the table show the high temperatures in a city over a 10-day period.
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?
8.F.3
8.F.1
1 point
1
Question 4
4.
The graph and the table show the high temperatures in a city over a 10-day period.
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.
8.F.3
8.F.1
1 point
1
Question 5
5.
The graph and the table show the high temperatures in a city over a 10-day period.
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.
8.F.3
8.F.1
1 point
1
Question 6
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.
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.
8.F.3
8.F.1
1 point
1
Question 7
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.
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.
8.F.3
8.F.1
1 point
1
Question 8
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.
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.
8.F.3
8.F.1
1 point
1
Question 9
9.
Use the equation 2m+4s=16 to complete the table, then graph the line using s as the dependent variable.
Use the equation 2m+4s=16 to complete the table, then graph the line using s as the dependent variable.
8.F.3
8.F.1
1 point
1
Question 10
10.
8.F.3
8.F.1
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