Respuesta :

TheUnknownScientist

Answer:

8

Step-by-step explanation:

-x²+ 4x - 2 = 0

x² - 4x + 2 = 0

where

a = 1

b = -4

c = 2

Now,

Diacriminant (D)

D = b² - 4ac

= (-4)² - 4(1)*(2)

= 16 - 8

= 8

Answer:

B. 8

Step by step explication

:)

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