Set builder notation and interval notation

Front

What is set builder notation?

Back

A mathematical notation for describing a set by stating the properties that its members must satisfy.

Front

What does the symbol '>' represent in inequalities?

Back

It indicates that the value on the left is greater than the value on the right.

Front

What does the symbol '<' represent in inequalities?

Back

It indicates that the value on the left is less than the value on the right.

Front

When graphing the inequality z < 20, what type of circle is used?

Back

Open circle.

Front

How is the solution z < 20 expressed in interval notation?

Back

(-∞, 20)