Miranda made a model airplane using a scale in which 0.25 inch represents 2 feet. Which graph shows this relationship?
This graph shows the relationship between the pounds of cheese bought at a deli and the total cost, in dollars, for the cheese.
Required
1 point
1
Question 2
2.
The point (1, 4) means 4 pounds of cheese costs $1.
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1 point
1
Question 3
3.
The constant of proportionality for this situation is 4.
Required
1 point
1
Question 4
4.
This situation can also be represented by the equation y = ¼ x.
Required
1 point
1
Question 5
5.
A purchase of 6 pounds of this cheese will cost $11.
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1 point
1
Question 6
6.
Which relationship represents a constant rate of change of 1/3 ?
Required
1 point
1
Question 7
7.
A worker has to drive her car as part of her job. She receives money from her company to pay for the gas she uses. The table shows a proportional relationship between y, the amount of money that the worker receives, and x, the number of work-related miles driven.
Which equation shows how to compute the amount of money the worker receives for any
number of work-related miles?
Required
1 point
1
Question 8
8.
A student in a foreign language program learns 15 new words each week. Which graph best represents the relationship between x, the number of weeks the student has been in the program and y, the total number of new words the student has learned?
Required
1 point
1
Question 9
9.
Natasha has a job putting letters in envelopes to be mailed.
In 1 hour she put 42 letters in envelopes.
Which equation best represents y, the total number of letters Natasha puts in envelopes in x hours if she continues at this rate?
Required
1 point
1
Question 10
10.
Strawberries cost $2.50 per pound. Which equation best represents y, the total cost of x pounds of strawberries?
Required
1 point
1
Question 11
11.
A cruise ship is traveling at a constant speed. The graph represents the relationship betwen the ship's time and the distance traveled.
At this rate, how long with it take the ship to travel 110 miles?