Interval Notation

Front

What is interval notation?

Back

Interval notation is a mathematical notation used to represent a range of values on the number line. It uses brackets and parentheses to indicate whether endpoints are included or excluded.

Front

What does a square bracket [ ] indicate in interval notation?

Back

A square bracket [ ] indicates that the endpoint is included in the interval.

Tags

CCSS.6.EE.B.8

Front

What does a parenthesis ( ) indicate in interval notation?

Back

A parenthesis ( ) indicates that the endpoint is not included in the interval.

Front

How is the interval (-3, 1] represented on a number line?

Back

The interval (-3, 1] includes all numbers greater than -3 and up to and including 1.

Tags

CCSS.6.EE.B.8

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

How do you express the domain of a function that includes all real numbers greater than or equal to -2?

Back

The domain can be expressed in interval notation as [-2, ∞).

Front

What is the interval notation for all real numbers less than -2?

Back

The interval notation is (-∞, -2).

Tags

CCSS.6.EE.B.8

Front

How do you write the interval for all numbers between -2 and 3, including -2 but not 3?

Back

The interval is written as [-2, 3).

Front

What is the difference between open and closed intervals?

Back

Open intervals do not include their endpoints (using parentheses), while closed intervals do include their endpoints (using brackets).

Tags

CCSS.6.EE.B.8