Quiz about 01/12 IP

Question 1

Which is a solution of the inequality x + 9 > 15?

Accepted Answer

x = 8

Answer

x = 1

Answer

x = 4

Answer

x = 6

Question 2

Lin earns $12 an hour. She wants to buy a new MP3 player. She is considering models that cost no more than $84. Which inequality can be used to find the number of hours Lin needs to work to be able to buy the MP3 player?

Accepted Answer

12x < 84

Answer

12x > 84

Answer

x + 12 > 84

Answer

x + 12 > 84

Question 3

A telephone company has to install more than 8 miles of fiber optic cable. The company installed 2 miles of cable so far. Let x represent the number of miles of cable left to install. Which inequality can be used to find the number of miles of cable the telephone company has left to install?

Accepted Answer

2 + x > 8

Answer

2 - x > 8

Answer

2 - x < 8

Answer

2 + x < 8

Question 4

Which graph shows the solution to the inequality 3x < 12?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 5

For which inequality is x = 7 a solution?

Accepted Answer

5x > 30

Answer

x + 11 < 17

Answer

x + 7 > 15

Answer

4x < 20

Question 6

Christopher is organizing his comic book collection. He has 250 comic books. He wants to arrange the comic books in piles of at least 50 books. Which inequality can be used to find the number comic books in each pile?

Accepted Answer

250/x > 50

Answer

250x < 50

Answer

250x > 50

Answer

250/x < 50

Question 7

Which describes a real- world scenario that the inequality 4x > 24 could be used to solve?

Accepted Answer

Lily has 4 stacks of baseball cards. How many baseball cards are in each stack if she has at least 24 baseball cards in all?

Answer

Lily has 4 stacks of baseball cards. How many baseball cards are in each stack if she has more than 24 baseball cards in all?

Answer

Lily has 4 stacks of baseball cards. How many baseball cards are in each stack if she has less than 24 baseball cards in all?

Answer

Lily has 4 stacks of baseball cards. How many baseball cards are in each stack if she has at most 24 baseball cards in all?

Question 8

Which graph shows the solution to the inequality x + 7 > 10?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 9

Which is a solution of the inequality 3x < 21?

Accepted Answer

x = 7

Answer

x = 18

Answer

x = 24

Answer

x = 63

Question 10

Consider this statement: The product of 15 and a number is no more than 90. Which inequality and solution represent this statement?

Accepted Answer

15x < 90; x < 6

Answer

15x > 90; x > 6

Answer

15x > 90; x > 75

Answer

15x < 90; x < 75

Question 11

The students in Mr. Hudson's class are given the following problem.

Becca has $50 to spend at the art store. She decides to spend $20 on paper. Write an inequality that describes how much money Becca has left to spend at the art store.

The table shows the inequalities written by four students.

Which student correctly wrote an inequality to represent this situation?

Accepted Answer

Bernard

Answer

Luis

Answer

Amanda

Answer

Jules

Question 12

Ramon's school band is raising money for a trip to a band competition. It has raised $425 so far. It needs to raise at least $950. Which solution describes how much more money the school band needs to raise to reach its goal?

Accepted Answer

x > 525

Answer

x < 525

Answer

x > 525

Answer

x < 525

Question 13

Stefanie wants to solve the inequality x + 10 < 16. What is one value of x that makes the inequality true?

Accepted Answer

6

Answer

8

Answer

10

Answer

26

01/12 IP

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