SOLUTION: Give the exact and approximate solutions to three decimal places. y^2 - 6y + 9 =100

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Question 476936: Give the exact and approximate solutions to three decimal places. y^2 - 6y + 9 =100
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
y%5E2+-+6y+%2B+9+=+100
==>y%5E2+-+6y+-+91+=+0
==> (y -13)(y + 7 ) = 0
==> y = 13,-7.