Pretest

Question 1

To make a small vase, Elisa uses no more than 4 point 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 is less than or equal to 4 point 5 or c is greater than or equal to 12

Question 2

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 is less than x comma x is less than 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 is greater than 64 and x is less than 68

Question 3

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

Revolt · Accepted Answer

50 is less than or equal to e comma e is less than or equal to 100

Question 4

Which graph represents the compound inequality? h is greater than or equal to negative 5 and h is less than 2

Revolt · Accepted Answer

Image with description A number line labeled from negative 6 to 4 in increments of 1 from left to right. A solid circle is at negative 5 and an open circle is at 2 with a line segment connecting them.

Question 5

Which compound inequality is represented by the graph? Open image in full-screen view

Revolt · Accepted Answer

negative 3 is less than or equal to x comma x is less than 1

Question 6

Which compound inequality is represented by the graph? Open image in full-screen view

Revolt · Accepted Answer

x is less than negative 2 or x is greater than or equal to 4

Question 7

To support a shelf, the diameter of a bolt can measure anywhere from 0 point 2 cm less than 1 point 5 cm to 0 point 2 cm greater than 1 point 5 cm. Which graph represents the possible measures of the diameter of the bolt?

Revolt · Accepted Answer

Image with description A number line is labeled from 1 to 2 in increments of 0.1. The line is shaded from 1.3 to 1.7 with filled circles at 1.3 and 1.7.

Question 8

The weight of a box of cereal can vary by 1 fourth 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

Image with description A number line labeled from 17 point 5 to 18 point 5 in increments of 0 point 25. There is an open dot at 17 point 7 5, a ray from the point extends towards the left. Another open dot at 18 point 2 5, a ray from the point extends towards the right.

Question 9

Which set of numbers is included in the solution set of the compound inequality? Open image in full-screen view

Revolt · Accepted Answer

start set negative 7 comma 5 comma 18 comma 24 comma 32 end set

Question 10

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

Revolt · Accepted Answer

50 is less than or equal to x comma x is less than or equal to 58

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