SOLUTION: A student solved the quadratic equation by finding the square root of both sides. In which line is a mistake first made? b^2 - 4b + 4 = 16 Line 1:(b - 2)^2 = 16 Line 2:b - 2

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Question 1038252: A student solved the quadratic equation by finding the square root of both sides. In which line is a mistake first made?
b^2 - 4b + 4 = 16
Line 1:(b - 2)^2 = 16
Line 2:b - 2 = 16
Line 3:b = 18

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
A student solved the quadratic equation by finding the square root of both sides. In which line is a mistake first made?
b^2 - 4b + 4 = 16
Line 1:(b - 2)^2 = 16
Line 2:b - 2 = 16 *********** should be sqrt(16) = ±4
Line 3:b = 18

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