SOLUTION: I need to solve using quadratic formula. Can you please help? x^2-11x+30.25

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Question 878465: I need to solve using quadratic formula. Can you please help?
x^2-11x+30.25
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-11x%2B30.25 is in the form ax%5E2%2Bbx%2Bc where a+=+1, b+=+-11, c+=+30.25
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Use the quadratic formula to solve for x

x+=+%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29

x+=+%28-%28-11%29%2B-sqrt%28%28-11%29%5E2-4%281%29%2830.25%29%29%29%2F%282%281%29%29 Plug in a+=+1, b+=+-11, c+=+30.25

x+=+%2811%2B-sqrt%28121-121%29%29%2F%282%29

x+=+%2811%2B-sqrt%280%29%29%2F2

x+=+%2811%2Bsqrt%280%29%29%2F2 or x+=+%2811-sqrt%280%29%29%2F2

x+=+%2811%2B0%29%2F2 or x+=+%2811-0%29%2F2

x+=+11%2F2


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The only solution is x+=+11%2F2