SOLUTION: Find all of the points on the x-axis which are 4 units from the point (−1, 1). Please! Should be two answers as coordinates.

Algebra ->  Linear-equations -> SOLUTION: Find all of the points on the x-axis which are 4 units from the point (−1, 1). Please! Should be two answers as coordinates.      Log On


   



Question 658986: Find all of the points on the x-axis which are 4 units from the point (−1, 1). Please!
Should be two answers as coordinates.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find all of the points on the x-axis which are 4 units from the point (-1,1)
-------------
The vertical distance = 1 (1 unit above the x-axis)
The hypotenuse = 4
Distance on the x-axis from x = -1 is
d+=+sqrt%284%5E2+-+1%5E2%29+=+sqrt%2815%29
---> (-1-sqrt(15),0) and (-1+sqrt(15),0)