parisjasmin009 parisjasmin009
  • 01-05-2019
  • Mathematics
contestada

what is the discriminant of the polynomial below 4x^2-20x +25

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frika
frika frika
  • 01-05-2019

Answer:

The discriminant D=0

Step-by-step explanation:

For the duadratic polynomial [tex]ax^2+bx+c[/tex] the discriminant is

[tex]D=b^2-4ac.[/tex]

In your case, for the polynomial [tex]4x^2-20x+25,[/tex]

  • [tex]a=4;[/tex]
  • [tex]b=-20;[/tex]
  • [tex]c=25;[/tex]
  • [tex]D=(-20)^2-4\cdot 4\cdot 25=400-400=0.[/tex]
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