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Unit 3B Test: Exploring Proportional and Nonproportional Relationships

Last updated about 1 year ago
16 questions
1

Select all of the following that are proportional relationships.

1

Order the lines from flattest to steepest slope.

1

Without calculating the slope, match the following slope values with the appropriate line.

Draggable itemCorresponding Item
Line A
Line B
Line C
Line D
1
Three students saved money for four weeks. Carla saved the same amount of money each week for 4 weeks. She made this table to show how much money she saved.


Antwan saved the same amount of money each week for 4 weeks. He made this graph to show how much money he saved.


Omar saved the same amount of money each week for 4 weeks. He wrote the equation S = 2.5w to show how much he saved. In the equation, S is the total amount of money saved, in dollars, and w is the number of weeks.

Identify the student who saved the greatest amount of money each week. __________
Identify the student who saved the least amount of money each week. __________
1

The temperature in Fairbanks, Alaska begins at -2ÂşF and gets 3 degrees warmer each hour.
Temperatures in Juneau, Alaska are modeled in the graph shown.

Which of the following statements are true about the different cities in Alaska.

1

Give the domain and range of the relation. Tell whether the relation is a function.

1

Find the domain and range of the given relation. Determine if the relation is a function.
(1, 3), (-2, 4), (5, 4)

1

Give the domain and range of the relation. Tell whether the relation is a function.

1

For which interval is the function increasing and changing by a constant rate of change?

1

Which situation most accurately matches the graph?

1
The graph below shows the temperature in the tank over time.
What is the slope? __________
What does the slope mean in context? __________
What is the y-intercept? __________
What does the y-intercept represent in context? __________
1
Triangle ADE is graphed on a coordinate grid.

What is the slope of the line containing line segment AC? _______
What is the slope of the line containing line segment AE? _______
Explain the relationship between line segments AC and AE._______
The ordered pair (9, y) defines the location of point F, which is also on line AE. What is the value of y for this ordered pair?_______
1
Find the slope of each line.
Slope of Line A? _______
Slope of Line B? _______
Slope of Line C?_______
1
Mike had $10 and saved $20 each week to buy a new iPhone.
What is the slope?_______
What does the slope mean in context?_______
What is the y-intercept? _______
What does the y-intercept mean in context? _______
1
The table below shows the number of weeks Elena has been saving money and how many dollars in her savings account.
What is the slope? _______
What does the slope mean in context?_______
What is the y-intercept? _______
What does the y-intercept mean in context? _______
1

Select all that are functions.