Inequalities Negative and Positive Numbers

Match this number line to its correct solution.

• x > -2

• x < -2

• x > -2

• x < -2

When solving inequalities you must _________________ the inequality when ____________________ by a negative.

• flip; dividing

• ignore; multiplying and dividing

• flip; multiplying

• flip; multiplying and dividing

An elevation of –4 m is higher than an elevation of –8 m. An elevation of –8 m is lower than an elevation of –6 m. Which set of inequalities correctly expresses these relationships?

An elevation of –2 m is higher than an elevation of –10 m. An elevation of –10 m is lower than an elevation of –1 m. Which set of inequalities correctly expresses these relationships?

An elevation of –9 m is lower than an elevation of –6 m. An elevation of –6 m is lower than an elevation of –3 m. Which set of inequalities correctly expresses these relationships?

Determine whether each situation is represented by 4 or -4.

The temperature is 4 degrees below 0 degrees Fahrenheit.

• 4

• -4

Determine whether each situation is represented by 4 or -4.

Mikayla spends $4 from her account to download a new movie.

• 4

• -4