WARM UP: Inequalities

Which of the following symbols means "less than or equal to"?

• ≤
• <
• >
• ≥

Which of the following symbols means "greater than or equal to"?

• ≥
• ≤
• >
• <

What inequality does the number line graph represent?

• x ≥ 3
• x > 3
• x < -3
• x ≤ -3

Write the inequality for the graph.

• x ≥ 5
• x < 5
• x > 5
• x ≤ 5

Write the inequality for the graph.

• x ≥ 5
• x < 5
• x > 5
• x ≤ 5

Write an inequality: There must be at least 20 club members present to hold a meeting.

• m > 20
• m < 20
• m ≤ 20
• m ≥ 20

Write an inequality: The maximum speed allowed on Main Street is 25 mph.

• s < 25
• s > 25
• s ≥ 25
• s ≤ 25

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?

• ≤, ≥

• <, >

Match:
You must be at least 48 inches tall to ride the bumper cars.

• h < 48
• h > 48
• h ≤ 48
• h ≥ 48