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OpenStudy (anonymous):
The steps to derive the quadratic formula are shown below:
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OpenStudy (anonymous):
OpenStudy (anonymous):
Which of the following is the first incorrect step?
OpenStudy (anonymous):
@texaschic101
OpenStudy (anonymous):
@bohotness @StudyGurl14
OpenStudy (texaschic101):
I am wanting to say step 4... because you would have to add (b/2a)^2 to both sides to complete the square see for yourself... http://www.mathsisfun.com/algebra/quadratic-equation-derivation.html
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OpenStudy (anonymous):
Thanks so much! =)
OpenStudy (welshfella):
it is step4
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