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Ask community Community Discussion Question: location of roots
Reply Forum Index -> Algebra originally posted here on IIT-JEE / AIEEE community   
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[Post New] 22 Jan 2012 11:54:46 IST
   Subject: please clarify the concept of location of roots of quadratic equation...
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rounak bhattacharjee (0)

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please clarify the concept of location of roots of quadratic equation...
    
[Post New] 5 Feb 2012 12:16:30 IST
   Subject: location of roots
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Pranav (0)

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  when you plot the points in a graph you will get a parabola (i.e a 'U' shaped curve)

the points where the parabola intersects x axis are the roots of the equation. 
 
 
For eg. Let ( x2 + x -2 = 0) be the equation.Then if we put x=1 we will get 0.
Therefore 1 is a root of the equation.
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[Post New] 5 Feb 2012 12:17:03 IST
   Subject: location of roots
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Pranav (0)

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  when you plot the points in a graph you will get a parabola (i.e a 'U' shaped curve)

the points where the parabola intersects x axis are the roots of the equation. 
 
 
For eg. Let ( x2 + x -2 = 0) be the equation.Then if we put x=1 we will get 0.
Therefore 1 is a root of the equation
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