danyelizabeth14
danyelizabeth14 danyelizabeth14
  • 12-05-2014
  • Mathematics
contestada

Calculate the discriminant.

x2 – 2x + 4 = 0

      20
      12
    –12
      0

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Lilith
Lilith Lilith
  • 12-05-2014
[tex]x^2 - 2x + 4 = 0 \\ \\\Delta =b^2-4ac =(-2)^2-4*1*4=4-16=-12[/tex]


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