Question

What is the midpoint of (-9,5) and (21,-7)

Answer 1

(6,13)

Explanation:

use midpoint formula

(-9 + 21) ÷2 , (5+21) ÷2

12 ÷2 , 26 ÷ 2

6, 13

so the midpoint is at coordinates (6,13)

Answer 2

(6,-1)

Explanation:

The midpoint formula (x+x)/2 , (y+y)/2

-9+21/2 , 5+(-7)/2

which will equal 6,-1