中間点 (9/2 , 3/8),(-11/2 , 5/8)

解

中間点

(\frac{9}{2}, \frac{3}{8}), (- \frac{11}{2}, \frac{5}{8})

(- \frac{1}{2}, \frac{1}{2})

解答ステップ

(x_{1}, y_{1}), (x_{2}, y_{2})

の中間点:

(\frac{x _{2} + x _{1}}{2}, \frac{y _{2} + y _{1}}{2})

(x_{1}, y_{1}) = (\frac{9}{2}, \frac{3}{8}), (x_{2}, y_{2}) = (- \frac{11}{2}, \frac{5}{8})

= (\frac{- \frac{11}{2} + \frac{9}{2}}{2}, \frac{\frac{5}{8} + \frac{3}{8}}{2})

改良

= (- \frac{1}{2}, \frac{1}{2})