What are the coordinates of the midpoint of the line segment joining the points (1, 5) and (7, 3)?
Answer: B
The midpoint formula is \((\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})\).
Midpoint = \((\frac{1+7}{2}, \frac{5+3}{2})\)
= \((\frac{8}{2}, \frac{8}{2})\)
= (4, 4).