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30-06-2021
Mathematics

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The discriminant of a quadratic equation is the value b2 – 4ac. What is the value of the discriminant of 0 = –2x2 + 6x + 13?

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lavendar04 lavendar04

30-06-2021

Answer ; D = 140...............

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Аноним Аноним

30-06-2021

Discriminant form:

ax2+bx=c=0

-2x2+6x=13=0

DISCRIMINANT:

-b+4ac

-6+4(-2)(-13)=-6+4(26)=-6+30=24

Now for the x's:

x1=[tex]-b+\sqrt{x} /2a[/tex]

x2=[tex]-b-\sqrt{x} /2a[/tex]

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