Question

Determine the midpoint and the distance between (2,-7) and (8,1)

write the answers in exact, simplified form.

Answer 1

d = √((8 - 2)² + (1 - (-7))²)

= √(6² + 8²) = √(36 + 64) = √100 = 10

((1/2)(2 + 8), (1/2)(-7 + 1)) = (10/2, -6/2)

= (5, -3)