+0  
 
0
52
0
avatar+1537 

How do you do coordinates on this

 

Let $x$ and $y$ be real numbers such that $x^2 + y^2 = 4x + 12y.$  Find the largest possible value of $x + y.$ Give your answer in exact form using radicals, simplified as far as possible.

 
 Dec 23, 2023

2 Online Users