Simone paid $5.25 for 3 pounds of apples. Which equation represents the cost, in dollars, C, per pound of apples, a?
1 point
1
Question 2
2.
Four friends run on the track team. The chart shows data from their most recent practice run.
Which runner does not run at the same rate as the other three?
1 point
1
Question 3
3.
Victor built a remote controlled car. The graph shows the time it took his car to travel 100 meters.
What does the point (1, 2.5) represent in the graph?
1 point
1
Question 4
4.
After having a savings account for 3 months, Austin has $61 in the account. At the end of next month, he has $81. Is the time in months proportional to the total savings in dollars?
1 point
1
Question 5
5.
The ratio of time, in hours, to distance traveled, in miles, for four different trains is equivalent.
The New York Dart travels 167.5 miles in 2.5 hours.
The San Francisco Arrow travels 268 miles in 4 hours.
The Chicago WindSpeed travels 100.5 miles in 1.5 hours.
How far does the Houston Express travel in 3 hours?
1 point
1
Question 6
6.
Hector ran around the track 10 times. The table shows the length of time, in minutes, that it took Hector to complete his run.
Based on the data in the table, which equation can be used to find the length of time, in minutes, m, that it took Hector to run n times around the track?
1 point
1
Question 7
7.
The table shows the cost of movie tickets.
If T represents the number of tickets, and C represents the cost, in dollars, which equation can be used to calculate the cost of any number of tickets?
1 point
1
Question 8
8.
A car travels 132.5 miles in 2 1/2 hours. What is the unit rate?
1 point
1
Question 9
9.
The graph shows the cost of hot dogs at the fair
The point at (1, 2) means that 1 hot dog costs $2.00. What is the meaning of the point (0, 0)?
Open Ended Response
3 points
3
Question 10
10.
Josiah and Tillery have new jobs at Yum Yum’s Ice Cream Parlor. Josiah is Tillery’s manager. In their first year, Josiah will be paid $14 per hour, and Tillery will be paid $7 per hour. They have been told that after every year with the company, they will each be given a raise of $2 per hour. Is the relationship between Josiah’s pay and Tillery’s pay rate proportional? Explain your reasoning using a table.
*Sentence Starter: The relationship between their pay ( is/isn't Proportional) because...
When a song is sold by an online music store, the store takes some of the money, and the singer gets the rest. The graph below shows how much money a pop singer makes given the total amount of money brought in by one popular online music store from sales of the song
2 points
2
Question 11
11.
Identify the constant of the proportionality, K, between dollars earned by the pop singers and dollars brought in by sales of the song.
2 points
2
Question 12
12.
Write an equation relating dollars earned by the pop singers, 𝑦, to dollars brought in by the sales of the song, 𝑥.
2 points
2
Question 13
13.
According to the proportional relationship, how much money did the song bring make from sales in the first week if the pop star earned $800 that week?
2 points
2
Question 14
14.
Describe what the point (0,0) on the graph represents in terms of the situation being described by the graph.
2 points
2
Question 15
15.
Which point, (x, y), on the graph represents the amount of money the pop singer gets for $1 in money brought in from sales of the song by the store?