Homework Explained - Math Practice 101

Dear guest, you are not a registered member. As a guest, you only have read-only access to our books, tests and other practice materials.

As a registered member you can:

Registration is free and doesn't require any type of payment information. Click here to Register.
Go to page:
Chapter 3: Proportional Relationships; Mixed Review

Selected Response

• Question 1

Which of the following is equivalent to $$5^{–1}$$?

• 4
• $$\large\frac{1}{5}$$
• $$-\large\frac{1}{5}$$
• -5
• Question 2

Prasert earns $9 an hour. Which table represents this proportional relationship? • A • B • C • D • Question 3 A factory produces widgets at a constant rate. After 4 hours, 3,120 widgets have been produced. At what rate are the widgets being produced? • 630 widgets per hour • 708 widgets per hour • 780 widgets per hour • 1,365 widgets per hour • Question 4 A full lake begins dropping at a constant rate. After 4 weeks it has dropped 3 feet. What is the unit rate of change in the lake’s level compared to its full level? • 0.75 feet per week • 1.33 feet per week • -0.75 feet per week • -1.33 feet per week • Question 5 What is the slope of the line below? • -2 • $$-\large\frac{1}{2}$$ • $$\large\frac{1}{2}$$ • 2 • Question 6 Jim earns$41.25 in 5 hours. Susan earns $30.00 in 4 hours. Pierre’s hourly rate is less than Jim’s, but more than Susan’s. What is his hourly rate? •$6.50
• $7.75 •$7.35
• \$8.25

• Question 7

Joelle can read 3 pages in 4 minutes, 4.5 pages in 6 minutes, and 6 pages in 8 minutes.

a. Make a table of the data.

• Type below:
• Question 7

b. Use the values in the table to find the unit rate.

•  pages per minute
• Question 7

c. Graph the relationship between minutes and pages read.

• Type below:

Yes, email page to my online tutor. (if you didn't add a tutor yet, you can add one here)