Math 1B Solving Inequalities

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

Match the graph with its inequality.

• 11 < a
• 11 > a
•  11 ≤ a
•  11 ≥ a

- 2k > 18

• k is greater than 20
• k is less than negative 9
• k is greater than negative 9
• k is less than 36 

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

- 5 x ≥ 30

• x  ≥ -6
• x > 6
• x < 6
• x ≤ -6

x/-2 > 4

• x > -8
• x < -8
• x > -4
• x < -6

Solve the inequality.

• c > -3
• c < -3
• c > 3
• c < 3

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

• ≤, ≥ 
• <, >

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

• <, >
• ≤, ≥ 

At Least

• <
• >
• ≤
• ≥