Closed and Open Inequality

Solve the inequality:
x + 7 < 9 

• x < 2

• x < 16

• x < 63

m - 5 > 10

• m is less than 15

• m is greater than 5

• m is greater than 15

• m is less than 5 

Solve
x - 7 ≥ 4

• x ≥ 11

• x ≥ -11

• x ≥ 3

• x ≥ -3

If you were to graph x > 2, what would you do?

• put a closed dot on 2 and to the right

• put a closed dot on 2 and to the left

• put an open dot on 2 and to the right

• put an open dot on 2 and to the left

If you were to graph the inequality  would the circle be open or closed? 
x > 45 

• open

• closed

If you were to graph the inequality  would the circle be open or closed? 
x ≥ 15

• open

• closed

With the dot filled in and pointing right, which solution is correct?

• a > 11

• a < 11

• a ≥ 11

• a ≤ 11

• Undecided

Match the graph with its inequality.

• b > –2

• b < –2

• b ≥ –2

• b ≤ –2

What are two solutions to x < 8?

• 8.6, 7.9

• 11, 16

• 0.8, 5.9

• 12, 7.1

• less than
• greater than
• less than or equal to
• greater than or equal to