Suppose triangle ABC is reflected over the x-axis.  If the distance between point A and the x-axis is 7, what is the distance between the x-axis and A’.

When a point is reflected over the x-axis, its y-coordinate changes sign while its x-coordinate remains the same. If point \( A \) is located 7 units away from the x-axis, reflecting this point will place the new point \( A' \) an equal distance on the opposite side of the x-axis.

Given:
- The distance between point \( A \) and the x-axis is 7 units.

After reflection:
- The distance between the reflected point \( A' \) and the x-axis will also be 7 units.

Thus, the distance between the x-axis and \( A' \) is **7 units**.

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### 5 Related Questions
1. What happens to the coordinates of a point when it is reflected over the y-axis?
2. How does reflecting a triangle over the origin affect its vertices?
3. If a point is reflected over both the x-axis and the y-axis, what would be its new coordinates?
4. How can you determine the coordinates of a reflected point if the line of reflection is not the x-axis or y-axis?
5. What is the general formula for the reflection of a point across a given line?

### Tip
When reflecting a point over the x-axis, the x-coordinate remains the same, and the y-coordinate changes its sign. This concept applies to other reflections across different lines as well.

Suppose triangle ABC is reflected over the x-axis. If the distance between point A and the x-axis is 7, what is the distance between the x-axis and A’?

Find the distance between point A and its reflected point A' over the x-axis, given that point A is 7 units away from the x-axis. This problem involves reflections in the coordinate plane and is ideal for students in Grades 6-8.

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