Inequalities Rational Numbers

Solve the inequality: -2x + 7 < 15

• x < -4

• x > -4

• x > 4

• x < 0

Mrs. Davis gave Mr. Brandenburg a collection of 20 Star Wars collectable coins. Each month Mr. Brandenburg adds 4 coins to his collection. Write the inequality that can be used to find m, the number of months after starting his collection when Mr. Brandenburg will have more than 50 coins in his collection? (You do not have to solve this)

• 20m + 4 < 50

• 20 + 4m < 50

• 20m + 4 > 50

• 20 + 4m > 50

• F

• G

• H

• J

• F

• G

• H

• J

• F

• G

• H

• J

• A

• B

• C

• D

What inequality does the number line graph represent?

• x > 5

• x < −5

• x ≥ 5

• x ≥ −5

Match the graph with its inequality.

• a > 11

• a < 11

• a ≥ 11

• a ≤ 11

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

• ≤, <

• ≥, >

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥ 

• ≤, <

• ≥, >