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To determine the length of segment \( \overline{AB} \) on the number line, we look at the coordinates of points \( A \) and \( B \):

- Point \( A \) is located at \( -56 \)
- Point \( B \) is located at \( -40 \)

The length of \( \overline{AB} \) is the distance between these two points, calculated as:

\[
|A - B| = |-56 - (-40)| = |-56 + 40| = |-16| = 16
\]

Thus, the length of \( \overline{AB} \) is 16 units.

The correct answer is **B) 16**.

Would you like more details or have any further questions?

Here are 5 related questions to think about:
1. What is the distance between points \( C \) and \( D \) on the same number line?
2. How would you calculate the length of segment \( \overline{BE} \) from the number line?
3. Can distances on a number line ever be negative? Why or why not?
4. If you wanted to find the total distance between points \( A \) and \( E \), how would you calculate it?
5. How does the concept of absolute value help in finding distances on a number line?

**Tip:** Always subtract the smaller coordinate from the larger one to find the positive distance between two points on a number line.

What is the length of AB as shown on the number line?

Learn how to find the length of segment AB on a number line using absolute value. This problem demonstrates how to calculate the distance between two points, A and B, with coordinates -56 and -40. Suitable for students in Grades 5-7.

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