# Set builder notation

##### Intros

###### Lessons

##### Examples

###### Lessons

**Translating Intervals On Number Lines Into Set Builder Notation Form**Translate the following intervals into set builder notation form.

**Evaluating the Domains of Expressions in Set Builder Notation Form**What are the domains for the following expressions? Write the answers in set builder notation form.

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###### Topic Notes

A set is a collection of elements (usually numbers)

E.g. {$x \in R | x$ > 0} should be read as "the set of all x's that are an element of the real numbers such that x is greater than 0."

Special symbols:

- $R$ = real numbers

- $Z$ = integers

- $N$ = natural numbers

- $Q$ = rational numbers

- $C$ = complex numbers

- $I$ = imaginary numbers

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