Introduction to Compound Inequalities

Question 1

A chef knows that ground beef used for hamburger is safe to eat once it reaches 160 degrees Fahrenheit. For optimized taste and safety, he will not allow a hamburger cooked to a temperature under 160 degrees or over 170 degrees to be served. Which graph represents the conditions under which the chef will not allow the hamburger to be served?

Revolt · Accepted Answer

Answer image: https://r22.core.learn.edgenuity.com//media.edgenuity.com/evresources/3109/3109-04/3109-04-09/3109-04-09-assessment/3109-04-09-18a.png

Question 2

Which scenario can be modeled using the graph below?

Revolt · Accepted Answer

A temperature range is within 5 degrees of 60 degrees Fahrenheit.

Question 3

To make a small vase, Elisa uses no more than 4.5 ounces of clay. To make a large vase, she uses at least 12 ounces of clay. Which compound inequality represents the number of ounces of clay, c, that Elisa uses to make one vase of either size?

Revolt · Accepted Answer

c ≤ 4.5 or c ≥ 12

Question 4

Which set of numbers is included in the solution set of the compound inequality?

Revolt · Accepted Answer

{–7, 5, 18, 24, 32}

Question 5

The weight of a box of cereal can vary by of an ounce and still be sold as a full box. Each box is supposed to contain 18 ounces of cereal. Which graph represents the possible weights of boxes that are overfilled or underfilled and cannot be sold as full boxes?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/evresources/3109/3109-04/3109-04-09/3109-04-09-assessment/3109-04-09-22b.png

Question 6

Which compound inequality is represented by the graph?

Revolt · Accepted Answer

–3 ≤ x < 1

Question 7

For one photography session, Dexter earns no less than $50, but no more than $100. Which inequality can be used to represent his earnings, e?

Revolt · Accepted Answer

50 ≤ e ≤ 100

Question 8

Which graph represents the compound inequality?h ≥ –5 and h < 2

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/evresources/3109/3109-04/3109-04-09/3109-04-09-assessment/3109-04-09-30b.png

Question 9

If a bus driver leaves her first stop by 7:00 a.m., her route will take less than 37 minutes. If she leaves after 7:00 a.m., she estimates that the same route will take no less than 42 minutes. Which inequality represents the time it takes to drive the route, r?

Revolt · Accepted Answer

r < 37 or r ≥ 42

Question 10

Which compound inequality is represented by the graph?

Revolt · Accepted Answer

x < –2 or x ≥ 4

Introduction to Compound Inequalities Answers

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