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| Question 417514:  Explain how to tell from a quadratic equation what type of conic section the equation represents without graphing it.
 Answer by stanbon(75887)
      (Show Source): 
You can put this solution on YOUR website! Explain how to tell from a quadratic equation what type of conic section the equation represents without graphing it. ---
 Parabola: Either x or y is squared, but not both.
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 Circle: Both x and y are squared and both have the same coefficient
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 Ellipe: Both x and y are squared but the coefficients are same sign
 but different.
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 Hyperbola: Both s and y are squared but the coefficients are not
 the same sign.
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 Cheers,
 Stan H.
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