What is the discriminant of the polynomial below? 9х2 – 18х+9 оа. -18 ов. 648 ос. о напна

What is the discriminant of the polynomial below?
9х2 - 18х+9
оа. -18
ов. 648
ос. о
напна
о

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This Post Has 3 Comments

  1. discriminant=D=0

    Step-by-step explanation:

    given, 9x^2-18x+9=0...............(1)

    equ (1) divided by 9

    x^2-2x+1=0

    discriminant=D=b^2-4ac

    where, b=-2, a=1, c=1

    D=(-2)^2-[tex]4\times 1\times 1[/tex]

    D=4-4=0

    D=0

    hence discriminant=D=0  answer

         

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