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# Bailey Moore

• Bailey Moore commented,

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).

• Bailey Moore commented,

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!

• Bailey Moore created a post,

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

• Bailey Moore created a post,

### Completely Simplifying Quadratics

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...

• Bailey Moore created a post,

### Order of Operations

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...

• Bailey Moore commented,

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

• Bailey Moore created a post,

### Imaginary Numbers

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...

• Bailey Moore commented,

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...

• Bailey Moore created a post,

### What does -∞ mean? (negative infinity?)

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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