Seudónimo Seudónimo

02-02-2018
Mathematics

contestada

What is the discriminant D of the equation?

n^2+2n−2=0

D= ___

Respuesta :

tynollette tynollette

02-02-2018

the discriminant of a quadratic function f(x)= ax²+bx+c is b²-4ac
in this case, D=2²-4*1*(-2)=12
D=12

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