arindameducationusc
  • arindameducationusc
GRAPHICAL ANALYSIS of Quadratic Equation (Take it like a drawing lesson" :D
Algebra
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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arindameducationusc
  • arindameducationusc
\(\Huge\color{red}{Graphical~Analysis} \) For \[y=ax ^{2}+bx+c\] If a>0 |dw:1440243794466:dw|
arindameducationusc
  • arindameducationusc
If a<0 |dw:1440243942979:dw|
arindameducationusc
  • arindameducationusc
Now, FOR a>0 What is D? D=b^2-4ac 1)If D>0 and a>0 |dw:1440244060246:dw| The two roots are \[\alpha~and~ \beta\] intersecting at x-axis

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arindameducationusc
  • arindameducationusc
Now if D=0 |dw:1440244399897:dw|
arindameducationusc
  • arindameducationusc
In this case \[\alpha=\beta \]
arindameducationusc
  • arindameducationusc
Now if a>0 and D<0 |dw:1440244616974:dw| So no real roots....
anonymous
  • anonymous
great job again @arindameducationusc
arindameducationusc
  • arindameducationusc
Almost same applies for a<0 Anybody can come and share their knowledge. I found many people having troubles in Quadratic equation, so uploaded this. Hope this helps!
arindameducationusc
  • arindameducationusc
Thank you @twistnflip !
arindameducationusc
  • arindameducationusc
For more information on Quadratic Equation check out @Data_LG2's Tutorial http://openstudy.com/study#/updates/54cf0a02e4b0efc119ae62f7

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