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Mathematics 14 Online
OpenStudy (anonymous):

what is the quadratic formula

OpenStudy (anonymous):

formula to solve quadatic equations \(ax^2+bc+c=0\) \(\huge x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}\)

OpenStudy (anonymous):

****\(ax^2+bx+c=0\)

OpenStudy (anonymous):

yes,right but @gohangoku58 sorry,it would better if you say \(\sf \Large x _{1} \ and \ x _{2}\)

OpenStudy (anonymous):

not just x

OpenStudy (anonymous):

if he know that there must be 2 solutions then its understood

OpenStudy (anonymous):

yes,right but we have two solution and x is single

OpenStudy (anonymous):

Any ways there is no x1 and x2 everything x which has two sollutions

OpenStudy (anonymous):

suit yourself with the nomenclature :) more important is the right side ....

OpenStudy (anonymous):

Therefore it would be incorrect if we say x1 and x2 as they are two different things but in quadractics we only have to find 1 thing which is the variable "x"

OpenStudy (anonymous):

yes x has to solution but look: x = (two solution) and x is single but in second side we have two! so ... ok nice :)

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

To remember the quadratic formula use this bee story trick, this is what I used when I was learning:

OpenStudy (anonymous):

negative bee = -b could not decided = + and - radical party = √ square bee = b^2 threw down 4 aces = -4ac 2am = 2a

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