Solving Basic Inequalities and Graphs

Which graph matches the inequality 
x ≥ 2.5?

• A

• B

• C

• D

What inequality does the number line graph represent?

• 4 < x

• x > 4

• x < 4

• x ≤ 4

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

• ≤, ≥ 

• <, >

3x - 2 ≥ 34

• x ≥ -12

• x ≤ -12

• x ≤ 12

• x ≥ 12

Do I need to flip my sign?
-3x  ≥ 12

• Yes

• No

-7 + 10z > -27

• z < -2

• z > -34

• 2 > z

• z > -2

Translate the following phrase:  Jessica must be at least 48 inches to ride the roller coaster.

• j > 48

• j < 48

• j ≤ 48

• j ≥ 48

Translate the following phrase: Tom can spend no more than 20 dollars on his mom's birthday present.

• t > 20

• t < 20

• t ≤ 20

• t ≥ 20

If you were to graph the inequality  would the circle be open or closed? 
x > 45 

• open

• closed

If you were to graph the inequality  would the circle be open or closed? 
x ≥ 15

• open

• closed