Respuesta :
Answer:
(-9,5) (21,-7)
[tex](\frac{-9+21}{2};\frac{5-7}{2})=(\frac{12}{2} ;\frac{-2}{2})=(6,-1)[/tex] this is the midpoint
Answer:
(-9,5) (21,-7)
[tex](\frac{-9+21}{2};\frac{5-7}{2})=(\frac{12}{2} ;\frac{-2}{2})=(6,-1)[/tex] this is the midpoint