SOLUTION: What would be an exact and approximate solution to 3 decimal places for ysqr-2y+1=9

Algebra ->  Functions -> SOLUTION: What would be an exact and approximate solution to 3 decimal places for ysqr-2y+1=9      Log On


   

Question 585085: What would be an exact and approximate solution to 3 decimal places for ysqr-2y+1=9
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What would be an exact and approximate solution to 3 decimal places for ysqr-2y+1=9
-----------
y%5E2+-+2y+-+8+=+0
(y-4)*(y+2) = 0
y = -2, 4