Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

What is the discriminant of #x^2+2x+3=0#?

1 Answer

Sep 30, 2014

Discriminant #->b^2-4ac#

#=0#, 1 real root
#>0#, 2 real roots
#<0#, 2 complex roots

#ax^2+bx+c=0#

#x^2+2x+3=0#

#a=1, b=2, c=3#

#(2)^2-4(1)(3)#

#4-12#

#-8<0 -># 2 complex roots

Related questions

See all questions in The Quadratic Formula

Impact of this question

16719 views around the world

You can reuse this answer
Creative Commons License