Hi

y = x^2-3x+7 = (x-3/2)^2 - 9/4 + 7 = (x-3/2)^2 + 19/4



 

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
 Please may solve this problem to me graphically x^2-3x+7

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y = x^2 - 3x + 7

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Since the graph does not cross the x-axis, there are no Real Number solutions.

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Using the Quadratic Formula you get:

x = [3 +- sqrt(9-4*1*7)]/2

x = [3 +- sqrt(-19)]/2

x = (3+-i*sqrt(19))/2

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Cheers,

Stan H.

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