Question

How to find the midpoint of (-1,3) and 7(,-1)

Answer 1

midpoint formula : (x1 + x2) / 2 , (y1 + y2) / 2
(-1,3)....x1 = -1 and y1 = 3
(7,-1)...x2 = 7 and y2 = -1
now we sub and solve
m = (-1 + 7) / 2 , (3 - 1) / 2
m = (6/2, 2/2)...reduce
m = (3,1) <==

Answer 2

midpoint of the points $(x_1,y_1)$ and $(x_2,y_2)$ is
$(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

in this case

we have (-1,3) and (7,-1)
the midpoint will be
$(\frac{-1+7}{2},\frac{3-1}{2})$
simplify
$(\frac{6}{2},\frac{2}{2})$
simplify
$(3,1)$

the midpoint is $(3,1)$