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To find the length of segment \( BC \) on the number line, we can subtract the coordinates of points \( B \) and \( C \).

- The coordinate of \( B \) is \( -2 \).
- The coordinate of \( C \) is \( 2 \).

The length of \( BC \) is the absolute difference between the coordinates of \( B \) and \( C \):
\[
\text{Length of } BC = |2 - (-2)| = |2 + 2| = 4
\]

So, the length of segment \( BC \) is \( 4 \) units.

Would you like further details or have any questions about this solution?

Here are 5 related questions to explore:
1. How do you calculate the distance between two points in general?
2. What would the length of \( AC \) be if point \( A \) was at 0?
3. How does the absolute value help in finding distances on a number line?
4. What happens if both points are negative? How does it affect the distance?
5. How would the length change if \( C \) moved to 4?

**Tip**: Always check if both numbers are positive or negative when calculating distances to avoid sign errors.

Learn how to find the length of segment BC on a number line where B is at -2 and C is at 2. This problem involves using the distance formula and understanding absolute value. Suitable for students in Grades 6-8.

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