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Bailey Moore

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  • Bailey Moore hat einen Kommentar hinterlassen

    Ok.  I have studied this so much, but I still cannot understand this last part.  Thank you SO much for taking the time to answer (I mean this sincerely). 

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    3. Quadratics (again; please help!)

  • Bailey Moore hat einen Kommentar hinterlassen

    Wow.  I am still very confused.  Why would you divide?  This has been the hardest thing in math I have done.  Thanks for answering, though!

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    3. Quadratics (again; please help!)

  • Bailey Moore hat einen Post erstellt

    Quadratics (again; please help!)

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    I don't understand how this:    3 ± 3√17 ________     -12   Simplifies into this:     1 ±√17 ________      -4  

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  • Bailey Moore hat einen Post erstellt

    Completely Simplifying Quadratics

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    This was listed as the final answer for a Quadratic Equation: So, why did they not simplify this further (to -1/-2)?  I thought you were supposed to.  Will it not be the same answer?  As long as it...

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  • Bailey Moore hat einen Post erstellt

    Order of Operations

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    I thought addition came before subtraction. Also, how do you know where to put parentheses when there are none in the equation already?  Surprisingly, I think that Order of Operations is one of the...

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  • Bailey Moore hat einen Kommentar hinterlassen

    Ok, so it is a matter of how simplified the answer is?     I have another question: Is √−5   i√5 or 5i?  

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    3. Imaginary Numbers

  • Bailey Moore hat einen Post erstellt

    Imaginary Numbers

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    I have a question--sometimes the answer to the square root of an imaginary number will just be written in positive form with an i, but other times, it will be written like this (ex): 2√−4.  When do...

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  • Bailey Moore hat einen Kommentar hinterlassen

    Oh, OK!  Thanks!   I don´t know if negative infinity was mentioned in any of the videos; I just saw it on a practice question.  I´ll go back and look.     *I have no idea why the apostrophe is an a...

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    3. What does -∞ mean? (negative infinity?)

  • Bailey Moore hat einen Post erstellt

    What does -∞ mean? (negative infinity?)

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    When I was practicing limits, the answer to one of the questions was -∞.  Does this mean ¨negative infinity¨?  What does ¨negative infinity¨ mean? 

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