“SAT Essentials – Math Fundamentals to Help You Prepare” S:1 E:6 Must Be/Could Be Problems Lesson

S:1 E:6 Must Be/Could Be Problems Lesson The Must Be/Could Be problem is a slight variation of the Basic Plug In. Your tip off to these types of problems is easy: they contain the expression “which of the following must be” or “which of the following could be.” Look for Roman Numeral problems in particular and, of course, variables in the answer choices.