Please clarify... In vertex form, does k equal 2ac – b^2/2a or 4ac – b^2/2a? Which one? Thanks!
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Originally Posted by live_laugh_luv27 Please clarify... In vertex form, does k equal 2ac – b^2/2a or 4ac – b^2/2a? Which one? Thanks! we already solved this for you. look at your quadratic question here
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