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Solving quadratic equations

2   Theory of quadratic equations - advanced
3   What is the discriminant of a quadratic equation?
5   Real roots ( Δ ≥ 0 )
6   Equal roots ( Δ = 0 )
7   Unequal roots ( Δ > 0 )
8   Imaginary roots ( Δ < 0 )
9   Theory of quadratics - advanced exercises

Source:  OpenStax, Siyavula textbooks: grade 11 maths. OpenStax CNX. Aug 03, 2011 Download for free at http://cnx.org/content/col11243/1.3