SAT I 一日一问:2014年7月16日
来源:CollegeBoard
2014-07-16 09:30
Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
If x is greater than 0 and y is greater than 0, and if 3^(2x) = 27^(2y), which of the following is true?
(A) x = y
(B) x = 2y
(C) 2x = y
(D) x = 3y
(E) 3x = y