Question

Find value of x if distance bw pts a(0,0) and b(x,-4) is 5

Answer 1

hello friends ,

distance = root (x2 - x1 )^2 + (y2 - y1 )^2

5  = root ( x -0)^2 + (-4 -0)^2

(5)^2 = x^2 + 16

x^2 = 25 -16

x^2 = 9

x = root 9

x = 3