anonymous
  • anonymous
if a quadratic equation (example) is like x^2 + 3x - (k-3), in the quadratic formula, would the discriminant be 3^2 - 4(1)(k-3) or 3^2 - 4(1)(-k+3)?
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
disc= 3^2 - 4(1)[-(k-3)]
anonymous
  • anonymous
= 9+4(k-3)
anonymous
  • anonymous
=4k-3

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amistre64
  • amistre64
the 2nd one...
anonymous
  • anonymous
thank so much, both of you
amistre64
  • amistre64
-(k-3) = c
anonymous
  • anonymous
best of luck with ur maths...
anonymous
  • anonymous
thanks, i'll be back with more questions later haha
anonymous
  • anonymous
sure ...
anonymous
  • anonymous
fan me if u could..cheers
anonymous
  • anonymous
i already am :)
amistre64
  • amistre64
unfan me if you want ;) your choice lol

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