Inequalities & Interval Notation Review

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Front

What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'.

Front

How do you represent 'x is less than 5' in interval notation?

Back

(-∞, 5)

Front

How do you represent 'x is greater than or equal to 3' in interval notation?

Back

[3, ∞)

Front

What is the union of two intervals?

Back

The union of two intervals combines all the values from both intervals.

Front

How do you write 'x < 2 or x > 4' in interval notation?

Back

(-∞, 2) U (4, ∞)

Front

What is the solution to the inequality 'a > -10'?

Back

Any value of 'a' that is greater than -10.