So: Then: However, I'm told the correct answer is Why instead of ?
Last edited by mt_lapin; March 16th 2008 at 03:05 PM.
Follow Math Help Forum on Facebook and Google+
Remember, when you square a negative number, the result is always positive. In your numerator, you have (-4)². The answer to that is 16, not -16. I think you got it from here.
Oh. You are absolutely right! I completely forgot about that.
View Tag Cloud