Question

Find the value of y such that the distance between the given points is indicated..... (5,y) and (8,-1) is 5.

Answer 1

(5,y)(8,-1)
d = sqrt ((x2 - x1)^2 + (y2 - y1)^2)
d = sqrt ((8 - 5)^2 + (-1 - y)^2)
d = sqrt (3^2 + (-1 - 3)^2
d = sqrt (9 + (-4^2)
d = sqrt (9 + 16)
d = sqrt 25
d = 5

so ur points are : (5,-3)(8,-1)