What is the discriminant of #6y^2+2=-7y#?

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Answer 1 · 2017-07-05T19:10:14

The discriminant is #=1#

Let's rewrite the equation

#6y^2+2=-7y#

#6y^2+7y+2=0#

We compare this equation to

#ax^2+bx+c=0#

The discriminant is

#Delta=b^2-4ac#

#=(7)^2-4*(6)*(2)#

#=49-48=1#

As,

#Delta>0#, there are 2 real roots

Tony B