SOLUTION: find the possible values of a if the points with the given coodinates are the indicated distance apart (4,7), (a,3); d = 5 how do you do it? o.O <--- weird face lol

Algebra ->  Coordinate-system -> SOLUTION: find the possible values of a if the points with the given coodinates are the indicated distance apart (4,7), (a,3); d = 5 how do you do it? o.O <--- weird face lol      Log On


   



Question 44975: find the possible values of a if the points with the given coodinates are the indicated distance apart
(4,7), (a,3); d = 5
how do you do it? o.O <--- weird face lol

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the possible values of a if the points with the given coodinates are the indicated distance apart
(4,7), (a,3); d = 5
distance = sqrt[(4-a)^2+(7-3)^2]
5^2=16-8a+a^2+16
0=7-8a+a^2
(a-7)(a-1)=0
a=7 or a=1
Cheers,
Stan H.