Understanding Inequalities

What does an inequality symbol indicate?

• That two expressions are equal

• That two expressions are identical

• That two expressions are unrelated

• That one expression is greater or smaller than another

How is 'a is less than b' represented on a number line?

• With a full circle

• With a hollow circle

• With a triangle

• With a square

What does a full circle on a number line indicate?

• The value is unknown

• The value is included

• The value is negative

• The value is not included

How would you write a double inequality for x being between -2 and 4?

• -2 <= x <= 4

• -2 < x < 4

• -2 <= x < 4

• -2 < x <= 4

What does a closed circle on a number line signify?

• The value is less than

• The value is greater than

• The value is included

• The value is excluded