graphing inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

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

What is a graph of an inequality?

Back

A graph of an inequality shows all the solutions of the inequality on a number line or coordinate plane.

Front

What is a solid line in graphing inequalities?

Back

A solid line indicates that the points on the line are included in the solution (used for '≥' or '≤').

Front

What is a dashed line in graphing inequalities?

Back

A dashed line indicates that the points on the line are not included in the solution (used for '>' or '<').

Front

How do you shade the graph of an inequality?

Back

You shade above the line for '>' or '≥' and below the line for '<' or '≤'.

Front

What is the solution set of an inequality?

Back

The solution set of an inequality is the set of all values that make the inequality true.