Inequalities Review

Greater than

• <
• >
• ≤
• ≥

Less Than

• <
• >
• ≤
• ≥

Less than or equal to

• <
• >
• ≤
• ≥

Greater than or equal to

• <
• >
• ≤
• ≥

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

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

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

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

The keywords "at most" are used with which of the following symbols?

• ≤
• >
• <
• ≥

The keywords "at least" are used with which of the following symbols?

• ≥
• ≤
• >
• <

Write the inequality:
There are fewer than 20 days left in October. 

• x > 20
• x < 20
• x ≥ 20
• x ≤ 20

A student must be at least 15 years old to obtain a driver’s permit.

• x > 15
• x < 15 
• x ≤ 15
• x ≥ 15