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://media.edgenuity.com/evresources/3109/3109-04/3109-04-09/3109-04-09-assessment/3109-04-09-18a.png

Question 2

To support a shelf, the diameter of a bolt can measure anywhere from 0.2 cm less than 1.5 cm to 0.2 cm greater than 1.5 cm. Which graph represents the possible measures of the diameter of the bolt?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3109/3109-04/3109-04-09/3109-04-09-assessment/3109-04-09-23a.png

Question 3

A political polling agency predicts candidate A will win an election with 54% of the votes. Their poll has a margin of error of 4% both above and below the predicted percentage. Which inequality represents the predicted possible percent of votes, x, for candidate A?

Revolt · Accepted Answer

50 ≤ x ≤ 58

Question 4

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

Revolt · Accepted Answer

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

Question 5

Which scenario can be modeled using the graph below?

Revolt · Accepted Answer

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

Question 6

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

Question 7

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 8

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 9

Which compound inequality is represented by the graph?

Revolt · Accepted Answer

–3 ≤ x < 1

Question 10

In order to qualify for a role in a play, an actor must be taller than 64 inches but shorter than 68 inches. The inequality 64 < x < 68, where x represents height, can be used to represent the height range. Which is another way of writing the inequality?

Revolt · Accepted Answer

x > 64 and x < 68

Introduction to Compound Inequalities Answers

More from this Course

TRY EDGENUITY HACKS