SOLUTION: Give an exact and approximate solutions to three decimal points.
y^2 - 18y + 81 = 64
Type an exact number, use radicals if necessary, rationalize all denominators, express
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Question 321266: Give an exact and approximate solutions to three decimal points.
y^2 - 18y + 81 = 64
Type an exact number, use radicals if necessary, rationalize all denominators, express complex terms in terms of i, and use comma to separate.
Thank you!!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Factor the left side.
Take the square root of both sides.
or Break up the "plus/minus" to form two equations.
or Take the square root of to get .
or Add to both sides.
or Combine like terms.
--------------------------------------
Answer:
So the solutions are or .
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