cathrineselting
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  • 19-06-2017
  • Mathematics
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According to the square root method, what are the possible solutions toSolve the equation using the square root method. x2 = 25?

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jimthompson5910 jimthompson5910
  • 19-06-2017
Assuming the equation is x^2 = 25, there are two solutions.
The two solutions are x = 5 and x = -5. 
This can be found by taking the square root of 25 to get 5, then making sure to include the negative version of the number


Note how
x^2 = (5)^2 = 25
and how 
x^2 = (-5)^2 = 25
squaring a negative number makes it positive

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