SOLUTION: Give exact and approximate solutions to three decimal places. (x-10)^2=20

Question 379455: Give exact and approximate solutions to three decimal places.
(x-10)^2=20
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Take the square root of both sides.

or Break up the "plus/minus" to form two equations.

or Simplify the square root.

or Add to both sides.

--------------------------------------

Answer:

So the solutions are or .

Which approximate to or

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim
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