Question

The distance and midpoint of (-5,5 ) (1,-2)

Answer 1

d = √85 , midpoint = (-2,
`(3)/(2)`)

using the distance formula

d = √(1 + 5)² + (- 2 - 5)² = √(36 + 49) = √85

using the midpoint formula

midpoint = [
`(1)/(2)`(- 5 + 1 ),
`(1)/(2)` (5 - 2 )] = (-2,
`(3)/(2)`)