Posted by April on Monday, December 13, 2010 at 10:09am.
using the quadratic equation solve:
y^2+16+64=0

college algebra II  PsyDAG, Monday, December 13, 2010 at 4:55pm
I assume it should be y^2 + 16y + 64 = 0.
It factors to (y+8)(y+8) = 0
Therefore, y = 8