Quiz (L6-10)

On the number line, plot and label ALL numbers with an absolute value of 3/2.

• -3/2, 3/2, -1.5, 1.5, -1 1/2, 1 1/2

• -3/2, -1.5, -1 1/2

• 3/2, 1.5, 1 1/2

• -3/2

The temperature at dawn is 6∘C away from 0. Select all the temperatures that are possible.

• a. -12∘C

• b. -6∘C

• c. 0∘C

• d. 6∘C

• e. 12∘C

Put these numbers in order, from least to greatest.

|-2.7| 0 1.3 |-1| 2

• a. -2.7, -1, 0, 1.3, 2

• b. |-2.7|, |-1|, 0, 1.3, 2

• c. 0, 1, 1.3, 2, 2.7

• d. 0, |-1|, 1.3, 2, |-2.7|

In the context of elevation, what would |-7| feet mean?

• a. The vertical distance between the point at 7 feet and sea level (0 feet)

• b. The vertical distance between the point at -7 feet and sea level (0 feet).

Compare each pair of expressions using >, <, or =.

a. -32 _____ 15

b. |-32| _____ |15|

c. 5 _____ -5

d. |5| _____ |-5|

e. 2 _____ -17

f. 2 _____ |-17|

g.|-27| _____ |-45|

h. |-27| _____ -45

• <, >, >, =, >, <, <, >

• >, <, <, =, >, <, <, >

• <, >, >, =, >, <, <, >

At the book sale, all books cost less than $5.

1.What is the most expensive a book could be?

2.Write an inequality to represent costs of books at the sale.

• a. 1. $5 and 2. b > 5

• b. 1. $4 and 2. b > 5

• c. 1. $5 and 2. b < 5

• d. 1. $4 and 2. b > 4

Kiran started his homework before 7:00 p.m. and finished his homework after 8:00 p.m. Let h represent the number of hours Kiran worked on his homework.

Which inequality represents the situation?

• a. h > 2

• b. h < 2

• c. h > 1

• d. h < 1

1.Select all numbers that are solutions to the inequality k>5.

• a. 4

• b. 5.01

• c. 6

• d. 5.2

• e. 0.5

A sign on the road says: “Speed limit, 60 miles per hour.”

Let s be the speed of a car.

Choose the inequality that matches the information on the sign.

• a. s < 60

• b. s > 60

• c. 60 < s

• d. 60 = s

There is a closed carton of eggs in Mai's refrigerator. The carton contains e eggs and it can hold 12 eggs.

Choose ALL the inequalities that represents this situation.

• a. e > 12

• b. e = 12

• c. e < 12

• d. 12 > e