Use interval notation to indicate all real numbers between and including −2 and 6.

To enter ∞

, type infinity. To enter ∪, type U.

The interval notation for all real numbers between and including \(-2\) and \(6\) is:

\[
[-2, 6]
\]

Here:
- The square brackets \([ ]\) indicate that \(-2\) and \(6\) are included in the interval.

Would you like more details, or do you have any questions?

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1. What is interval notation for values between \(-5\) and \(10\), not including endpoints?
2. How do you represent all real numbers greater than or equal to \(3\) in interval notation?
3. Can you show interval notation for all real numbers less than \(0\)?
4. What would the interval notation look like for numbers between \(-\infty\) and \(4\), including \(4\)?
5. How does interval notation change for open vs. closed intervals?

**Tip:** In interval notation, square brackets \([ ]\) include endpoints, while parentheses \(( )\) exclude them.

Use interval notation to indicate all real numbers between and including −2 and 6.

Learn how to use interval notation to represent all real numbers between and including -2 and 6. This solution explains the use of square brackets to indicate inclusive intervals and provides a clear example suitable for students in Grades 6-8.

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