1.6 Practice

What inequality does the number line graph represent?

• x < -4

• x < 4

What inequality does the number line graph represent?

• x > 3

• x < -3

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

• ≤, ≥ 

• <, >

You flip an inequality symbol when you...

• subtract

• multiply and divide only

• multiple by a negative number

• multiple or divide by a negative number

Solve
-5m < 10

• m < -2

• m > -2

• m < -50

• m > -50

-2x + 7 < 19

• x < 6

• x < -6

• x > 6

• x > -6

you must be at least 48 inches to ride the roller coaster.

• x > 48

• x < 48

• x ≤ 48

• x ≥ 48

You can spend no more than 20 dollars on your mom's birthday present.

• x > 20

• x < 20

• x ≤ 20

• x ≥ 20

Solve 3x + 7 < 22

• x < -29/3

• x < -5

• x < 29/3

• x < 5