2.1 writing and graphing inequalities

Which inequality represents the real-world situation below?

“Doctors say you should exercise at least 30 minutes every day.”

Which inequality represents the real-world situation below?

"Carlos spent less than $50 on sports equipment."

When graphing an inequality, you use an open circle when you use which symbols?

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

When graphing an inequality, you use an closed circle when you use which symbols?

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

Which graph matches the inequality

k < 3?

• A

• B

• C

• D

Which graph matches the inequality
-2 ≥ n?

• A
• B
• C
• D

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 ≤ -4
• x ≥ -4
• x < -4
• x < 4

• A

• B

• C

• D

• A

• B

• C

• D