Question 85393
Negative Discriminant:
{{{sqrt(b^2 - 4ac)}}}
{{{sqrt(-1)}}} = +- i
{{{sqrt(-4)}}} = +- 2i
Two Imaginary Roots
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Positive Discriminant:
{{{sqrt(b^2 - 4ac)}}}
{{{sqrt(1)}}} = +- 1
{{{sqrt(4)}}} = +- 2
Two Real Roots
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Discriminant of Zero:
{{{sqrt(b^2 - 4ac)}}}
{{{sqrt(0)}}} = 0
One Real Root
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I hope this helps....