Question 411128
{{{(-9 - 9)^2 + (8 - y)^2 = 26^2}}}

{{{324 + 64 - 16y + y^2 = 676}}}

{{{y^2 - 16y - 288 = 0}}}

==> {{{y = (16 +- sqrt( (-16)^2-4*1*-288 ))/2 

= (16 +- sqrt( 1408))/2 
= (16 +- 8* sqrt(22))/2 
= 8 +- 4* sqrt(22) 
}}}