SOLUTION: find all the coordinates on x-axis if it is at the distance of 5 units from point b(5,4)?

Algebra ->  Coordinate-system -> SOLUTION: find all the coordinates on x-axis if it is at the distance of 5 units from point b(5,4)?      Log On


   

Question 864476: find all the coordinates on x-axis if it is at the distance of 5 units from point b(5,4)?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Points on the x-axis would have the form (x,0).
Use the distance formula,
5%5E2=%28x-5%29%5E2%2B%280-4%29%5E2
25=%28x-5%29%5E2%2B16
%28x-5%29%5E2=9
x-5=3 and x-5=-3
x=8 and x=2
(8,0) and (2,0)