SOLUTION: Four steps to derive the quadratic formula are shown below. I x^2+(-b)/a x=(-c)/a II (x+b/2a)^2=(b^2-4ac)/(4a^2 ) III x=±√((b^2-4ac)/(4a^2 ))-b/2a IV x^2+bx/a+(b/2a)^2=(-

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Question 1014194: Four steps to derive the quadratic formula are shown below.
I x^2+(-b)/a x=(-c)/a
II (x+b/2a)^2=(b^2-4ac)/(4a^2 )
III x=±√((b^2-4ac)/(4a^2 ))-b/2a
IV x^2+bx/a+(b/2a)^2=(-c)/a+(b/2a)^2
what is the correct order?!
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
I --->  IV  --->  II --->  III.


I,  IV,  II,  III.


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