Inequalities #2

Write x ≤ 23 in words.

• x is greater than 23
• x is greater than or equal to 23
• x is less than 23
• x is less than or equal to 23

Do I need to flip my sign?
3x  ≥ 12

• Yes
• No

Do I need to flip my sign?
-3x  ≥ 12

• Yes
• No

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

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

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

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

Which graph matches the inequality

k < 3?

• A

• B

• C

• D

Which graph matches the inequality
r ≥ -6?

• A
• B
• C
• D

Solve the following inequality: 
3x + 4 > 13 

• x > 1 
• x > 3 
• x = 3 
• x < 5 

Solve for k.
2k - 9≤ -19

• k ≤ -5
• k ≤ 5
• k < -5
• k < 5

3 (m + 7) < 28

• m < 7 / 3 
• m < 3 / 7
• m < 7 
• m < 21