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Posted February 19, 2010
Ignorant Previous Reviewer
For the girl that was confused about the slope equation, I have to say this... Sweatheart, if you took any form of Calculus, you should have been able to add 2+3 to realize that their slope equation was simply reflecting a change in Y (rise, for you third grade girl), over change in X (run, you third grade girl). This is not rocket science. Don't post negatively due to YOUR lack of mathematical common sense. A y-sub of one minus a y-sub of two simply reflects change in rise. Were you seriously confused over this?
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Posted October 10, 2009
Firstly, I'd like to state that the "anonymous" reviewer that posted before me is degrading the book much more than he or she should be doing. The slope equation that Barron's provided is just a variation of (y2-y1)/(x2-x1), which everyone should know; all Barron's did was simplify it by saying (y - different y, or y1)/(x - different x, or x1) -- they said (y-y1)/(x-x1). X and X1 are different, and so are Y and Y1. In the same case, X2 is different from X1 and Y2 is different from Y1, which comes from the more universally presented slope equation. So, in general terms, the equations are exactly the same. This is the slope equation. I learned this equation in 7th grade. This is a basic equation that EVERYONE should initially know before even THINKING about taking the SAT II Math Subject Test, aside from the fact that this is level TWO math.
Secondly, generally, Barron's is a GREAT guide in pretty much ALL areas of SAT testing. Why? Because they present the more challenging questions and help students think critically. I like it that they include questions that are usually, more often than not, much, much more complicated and thought-provoking than those of many other test guides. So, if you aren't prepared to answer really difficult questions, Barron's is NOT the guide for you. It fits me in that it readily helps me take on the more hard questions that will be on the Math Level 2 test, and pretty much gives you a skim over the easier questions. I don't really need review on the easier questions anyways -- I just want practice on the more difficult ones. This is what Barron's provides me.
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Posted November 5, 2011
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