ysin
ysin ysin
  • 08-08-2020
  • Mathematics
contestada

If Discriminant > 0 :


What is "m" in ( 2x^2 + 4x + 1 - 3m=0) ?




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Respuesta :

jimthompson5910 jimthompson5910
  • 08-08-2020

The given equation is in the form ax^2+bx+c = 0 with

  • a = 2
  • b = 4
  • c = 1-3m

D = discriminant

D = b^2 - 4ac

D = 4^2 - 4(2)(1-3m)

D = 16 - 8(1-3m)

D = 16 - 8 + 24m

D = 24m + 8

D > 0

24m + 8 > 0

24m > -8

m > -8/24

m > -1/3

As long as m is larger than -1/3, then the discriminant is positive. There are infinitely many solutions to pick from.

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