SOLUTION: Consider any unknown real number such that the square of the number decreased by eight times the number is negative three. Find the exact value of the numbers
Question 425120: Consider any unknown real number such that the square of the number decreased by eight times the number is negative three. Find the exact value of the numbers Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Consider any unknown real number such that the square of the number decreased by eight times the number is negative three. Find the exact value of the numbers
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Let the number be "x":
Equation:
x^2-8x= -3
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x^2-8x+3 = 0
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x = [8 +- sqrt(64-4*3)]/2
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x = [8 +- sqrt(52)]/2
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x = 4+sqrt(13) or x = 4-sqrt(13)
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Cheers,
Stan H.
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