anonymous
  • anonymous
Calculate the discriminant. x2 – x + 2 = 0 A. 9 B. –7 C. 7 D. –9
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Formula for the discriminant is b^2-4ac ax^2+bx+c is the form of the polynomial, thus a=1, b=-1, and c=2 (-1)^2-4(1)(2)= 1-8=-7 or B
anonymous
  • anonymous
you there??
anonymous
  • anonymous
It should be there? Just in case: Formula for the discriminant is b^2-4ac ax^2+bx+c is the form of the polynomial, thus a=1, b=-1, and c=2 (-1)^2-4(1)(2)= 1-8=-7 or B

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anonymous
  • anonymous
yea its there but which answer is it?
anonymous
  • anonymous
The answer is B. -7
anonymous
  • anonymous
thank you i have more. :P
anonymous
  • anonymous
I can take a look (:

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