{"id":912,"date":"2013-03-08t10:00:06","date_gmt":"2013-03-08t10:00:06","guid":{"rendered":"\/\/www.catharsisit.com\/sat\/?p=912"},"modified":"2018-10-24t03:21:07","modified_gmt":"2018-10-24t10:21:07","slug":"strange-symbols-in-sat-math","status":"publish","type":"post","link":"\/\/www.catharsisit.com\/hs\/sat\/strange-symbols-in-sat-math\/","title":{"rendered":"strange symbols in sat math"},"content":{"rendered":"
just to make sure that everybody knows the college board is sneaky, they insist on putting weird, non-mathematical symbols into sat math sections. of course, they maintain that this is all in spirit of testing your school studies (it\u2019s not really, and that\u2019s probably why they\u2019re planning on eventually changing the test<\/a>).<\/p>\n whadda you mean you don\u2019t understand what the little picture of the potato is for? you didn\u2019t learn that in algebra?<\/p>\n the big problem is that a lot of test-takers look at symbols like that\u2014more often a heart or an arrow, really\u2014and think that there\u2019s some established mathematical meaning to it. it\u2019s tempting to imagine some advanced calculus you\u2019re just not privy too and assume the question is there for the really high-scorers.<\/p>\n but that\u2019s not it.; the sat is just up to its typical shenanigans.<\/p>\n <\/p>\n the easiest symbols questions actually just use the shapes in place of variables. you might see something like this:<\/p>\n <\/a><\/p>\n if that\u2019s the case, just exchange x<\/i> for the twilight sparkle symbol and carry on as normal.<\/p>\n it might be a little more complicated, though.<\/p>\n <\/p>\n in this case, the symbol is really a lot<\/i> like a function. it\u2019s just shorthand for some process. you need to get rid of that shape, and in order to do that, you need to set up an equation in the pattern that the sat uses to define that shape.<\/p>\n for example:<\/p>\n for all positive integers <\/i>y, let\u00a0<\/a>y be defined as <\/i>. what is the value of <\/i>(<\/a>)?<\/i><\/p>\n in that case, just put in 2 for y<\/i> using the same pattern, careful to remember to include the exponent around the whole thing.<\/p>\n <\/p>\nwhen the symbol is a variable<\/h2>\n
when the symbol is a process<\/h2>\n