01/12 IP

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

• x = 1

• x = 4

• x = 6

• x = 8

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?

• 12x > 84

• 12x < 84

• x + 12 > 84

• x + 12 > 84

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?

• 2 - x > 8

• 2 + x > 8

• 2 - x < 8

• 2 + x < 8

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

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For which inequality is x = 7 a solution?

• 5x > 30

• x + 11 < 17

• x + 7 > 15

• 4x < 20

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?

• 250x < 50

• 250x > 50

• 250/x < 50

• 250/x > 50

Which is NOT a solution of the inequality 64 ÷ x < 8?

• x = 32

• x = 16

• x = 8

• x = 4

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

• 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?

• 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?

• 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?

• 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?

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

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

• x = 7

• x = 18

• x = 24

• x = 63