Number Lines and Inequalities

To  graph any number greater than we use 

• open circle, line to the right  
• open circle, line to the left 
• closed circle to the right
• closed circle line to the left

What does the number line show?

• x = 3
• x > 3
• x < 3
•  x > 6

Greater than

• <
• >
• ≥
• ≤

Less than:

• ≥
• ≤
• <
• >

Less than or equal to:

• ≤
• <
• >
• ≥

Greater than or equal to:

• <
• ≤
• ≥
• >

What inequality does the number line graph represent

• x ≤ 4
• x ≥ -4
• x < -4
• x < 4

What inequality does the number line graph represent?

• x ≥ 3
• x > 3
• x < -3
• x ≤ -3

What inequality does the number line graph represent?

• x ≥ 3
• x > 3
• x < -3
• x ≤ -3

What inequality does the number line graph represent?

• x > 5
• x < −5
• x ≥ 5
• x ≥ −5