Write and Graph Basic Inequalities

What is the correct inequality for the following sentence?

To use one stamp, your domestic letter must weigh less than 3.5 pounds.

• m ≤ 5

• m = 3.5

• m > 3.5 

• m < 3.5

Which graph matches the inequality

r ≥ -6

• A

• B

• C

• D

What does the inequality sign mean?

• greater than

• less than

• greater than or equal to

• less than or equal to

Which inequality symbol represents "greater than or equal to"?

• An open circle at -2 with shading to the left

• A closed circle at -2 with shading to the left

• An open circle at -2 with shading to the right

• A closed circle at -2 with shading to the right

Write an inequality for the following word problem: "A number is at most 18."

Convert the following word problem into an inequality: "A number is greater than or equal to 12."

Which inequality symbol represents "less than"?

Match the graph with its inequality.

• 11 < a

• 11 > a

• 11 ≤ a

• 11 ≥ a

Which inequality matches the graph?

• x<3

• x>3

• x<3

• x>3