madisynlong4 madisynlong4
  • 26-04-2018
  • Mathematics
contestada

What is the discriminant if the quadratic equation 0=-x2+4x-2

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jobina15
jobina15 jobina15
  • 26-04-2018
Your discriminant is:
B^2 - 4AC = 4^2 - 4x (-1)x (-2) =
16 - 8 = 8

Your answer would be 8.
Answer Link
yaaybro567 yaaybro567
  • 30-04-2018
The formula is 

 b^2 – 4(a)(c) 

so

b^2 - 4(a)(c) = 4^2 - 4x (-1)x (-2) =
16 - 8 = 8

The answer is 8.
Answer Link

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