na3omosha1llee na3omosha1llee

18-06-2016
Mathematics

contestada

A quadratic equation has a discriminant of 12. Which could be the equation?

0 = –x2 + 8x + 2
0 = 2x2 + 6x + 3
0 = –x2 + 4x + 1
0 = 4x2 + 2x + 1

Respuesta :

18-06-2016

Hello,

Answer B

a) Δ=8²+4*2=72
b)36-4*3*2=12
c)4²+4*1=20
d)4-4*4*1=-12

Answer Link

jennifercadey jennifercadey

23-11-2020

Answer:

0 = 2x2 + 6x + 3

Step-by-step explanation:

B

Answer Link

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