SOLUTION: estimate the roots of the equation: y = x^2 - 4

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Question 389607: estimate the
roots of the equation: y = x^2 - 4


Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,         

Note: roots of an equation are found when y = 0

     x^2 - 4 = 0

       x^2 = 4

        x = ± 2