What an inequality is
An inequality shows that 1 value is greater than or less than another value.
Solution of an inequality: a number that makes the inequality true. An inequality can have many solutions.
Watch the graph of an inequality grow
Open circle: the number at the circle is not a solution. Closed circle: the number at the circle is a solution.
Try it
Graph an inequality and test numbers
- Move the slider or drag the circle to pick a number.
- Pick a symbol.
- Look at the dots. Green dots are solutions. Gray dots are not solutions.
x ≥ 4
Quick check
Answer 5 questions. You see your score at the end.