SOLUTION: What is x when x - √x - 2 = 0? a -1 b 1 c 2 d 4 e none

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Question 315455: What is x when x - √x - 2 = 0?

a -1 b 1 c 2 d 4 e none

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x=sqrt%28x-2%29
x%5E2=x-2
x%5E2-x%2B2=0
+graph%28+300%2C300%2C+-5%2C+5%2C+-10%2C+10%2C+x%5E2-x%2B2%29+
As you see from the graph, this equation never crosses the x-axis.
Its roots are complex and not real.
E) is the correct answer.