SOLUTION: find the square root, if possible _+/4.41 the + is over the line and / is square root symbol answers a:2.31 b:_+2.205 c

SOLUTION: find the square root, if possible _+/4.41 the + is over the line and / is square root symbol answers a:2.31 b:_+2.205 c_+2.1 d: not possible

Question 628992: find the square root, if possible _+/4.41 the + is over the line and / is square root symbol answers a:2.31 b:_+2.205 c_+2.1 d: not possible
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
+

I have to assume that you are not supposed to use a calculator.
We can start by ruling out answer "a" because it does not have a "+" symbol. As for the others we could just try squaring 2.205 and 2.1 and see which one ends up being equal to 4.41. Or we could be clever and realize that 2.205 could not possibly be the answer. This is so because if we square 2.205 (i.e. 2.205*2.205) we would end up with 6 decimal places, not 2 like 4.41. With this we know the answer must be "c" or "d". I'll let you figure out which.

P.S. Don't be afraid to use some English in describing your expressions. The "_+" is confusing. Just say "plus or minus". For square roots, use: sqrt(4.41).
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