SOLUTION: Use the quadratic formula. 1/2x^2+2x-7=0

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Question 742457: Use the quadratic formula. 1/2x^2+2x-7=0
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
1/2x^2+2x-7=0
x^2/2+2x-7=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(-2+-sqrt(2^2-4*.5*-7))/2*.5
x=(-2+-sqrt(4+14)/1
x=(-2+-sqr18)
x=-2+-4.2426
x=-2-4.2426
x=-6.2426 ans
x=-2+4.2426
x=2.2426 ans.