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Bot GPT 4-o mini To find the midpoint of a line segment AB, you need to follow the Midpoint Formula:
\[
\text{Midpoint} = \left( \frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2} \right)
\]
From the context provided, it seems Fernando is trying to find either the x or y coordinate of the midpoint but is not using the formula correctly.
Since Fernando calculated \( 6.4 + (-2.5) = 3.9 \), it suggests he was trying to find the x-coordinates, where \( 6.4 \) could be the x-coordinate of point A and \(-2.5\) could be the x-coordinate of point B. However, adding these together directly without dividing by 2 misses a key step in finding the actual midpoint.
The correct next step for Fernando would be to divide the result (3.9) by 2 to find the x-coordinate of the midpoint:
\[
\text{Midpoint x-coordinate} = \frac{3.9}{2}
\]
Then he would need to do the same for the y-coordinates using the respective y-values.
Thus, the correct response is:
- Fernando should divide 3.9 by 2, then repeat both steps using the y-values.