SOLUTION: Use the quadratic formula to solve x² + 7x + 8 = 0. What are the solutions to the equation? Round irrational solutions to the nearest tenth.

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Question 1068172: Use the quadratic formula to solve x² + 7x + 8 = 0.
What are the solutions to the equation?
Round irrational solutions to the nearest tenth.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use the quadratic formula to solve x² + 7x + 8 = 0.
What are the solutions to the equation?
Round irrational solutions to the nearest tenth.
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x = [-7+-sqrt(49-4*8)]/(2)
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x = [-7+-sqrt(17)]/2
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x = (-7+sqrt(17))/2 or x = (-7-sqrt(17))/2
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x = (-7+4.1)/2 or x = (-7-4.1)/2
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x = -1.45 or x = -5.55
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Cheers,
Stan H.
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