Understanding Inequalities

What does an inequality symbol represent in mathematics?

• A method to divide one expression by another

• A mathematical sentence comparing two expressions

• A definite equality between two values

• A formula for calculating the sum of two numbers

Which symbol indicates a value greater than another?

• >=

• >

• <=

• <

What does an open circle on a graph represent?

• The minimum value of the inequality

• The maximum value of the inequality

• The value is not included in the inequality

• The value is included in the inequality

Which symbol means 'less than or equal to'?

• >

• <=

• <

• >=

How is 'x is greater than or equal to 3' graphically represented?

• With a closed circle at 3

• With a triangle at 3

• With an open circle at 3

• With a square at 3

What does a closed circle in a graph signify?

• The value is not included in the set

• The value is the maximum of the set

• The value is included in the set

• The value is the minimum of the set

If x is less than -2, how is it represented on a graph?

• With an open circle at -2 and shading to the right

• With a closed circle at -2 and shading to the left

• With an open circle at -2 and shading to the left

• With a closed circle at -2 and shading to the right

How do you graph 'x is greater than -5'?

• Open circle at -5, shading right

• Closed circle at -5, shading right

• Closed circle at -5, shading left

• Open circle at -5, shading left

What is the correct way to graph 'x is less than or equal to 1/2'?

• Closed circle at 1/2, shading left

• Open circle at 1/2, shading right

• Closed circle at 1/2, shading right

• Open circle at 1/2, shading left

Which of the following is true for graphing inequalities?

• Greater than symbols always use closed circles

• Less than symbols always use open circles

• Equal to condition always uses closed circles

• Equal to condition always uses open circles