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

Calculate the discriminant.

x2 – 2x + 4 = 0

      20
      12
    –12
      0

Respuesta :

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]


Answer Link

Otras preguntas

A recent survey of 150 investors 111 invested in stocks 98 in bonds how many invested in stocks and bonds?
"Youth is wasted on the young." What does George Bernard Shaw mean by this? What happens to us as we grow older?
What happens if some ethyl alcohol of density 790 kg/m3 is poured into the container after the ice cube has melted?
LOOK AT IMAGEThis box plot shows information about the durations of different rides in a theme park. 48 rides have a duration of more than 1.4 minutes. Work out
Simplify each expression. 25¹/₂
Shiprock is an example of a(n) __________, or a tall vertical rock that was once part of the vent of a volcano.
Write each expression in factored form. 16-2 m² .
Suppose f(x)=2 x-5 and g(x)=|-3 x-1| Find the value. f(-1)-g(3)
Which most describes the setting?
If f(x)=9, find f^-1(33)