Encyclopedia > 690s BC

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690s BC

Centuries: 8th century BC - 7th century BC - 6th century BC

Decades: 740s BC 730s BC 720s BC 710s BC 700s BC - 690s BC - 680s BC 670s BC 660s BC 650s BC 640s BC


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Quadratic formula

... this means that the parabola intersects the x-axis in two points.) If the discriminant is negative, then there are two different solutions x, both of which are complex ...

 
 
 
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