Question 92654: Solve by completing the square:
y^2-6y-8=0
Your help is truly appreciated! Thanks!
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! Solve by completing the square:
y^2 - 6y - 8 = 0
:
y^2 - 6y + ___ = + 8
:
Complete the square;
y^2 - 6y + 9 = 8 + 9
:
(y - 3)^2 = 17
:
Find the square root of both sides:
y - 3 = +/-Sqrt(17)
:
y = 3 + Sqrt(17)
and
y = 3 - Sqrt(17)
:
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