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SAT I 一日一问：2013年11月12日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. A right circular cylinder has height 6 and volume . What is the circumference of its base? (A) (B) (C) (D) (E) 答案见下一页>>> The correct answer is C Explanation The volume of a
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SAT I 一日一问：2014年6月19日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. function f of (2 n) = 2 function f of n for all integers n function f of 4 = 4 If function f is a function defined for all positive integers n, and function f satisfies
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SAT I 一日一问：2014年12月16日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. If x^(1 over 3) = y^2, which of the following must be equivalent to x? (A) y^(1 over 6) (B) y^(2 over 3) (C) y^(3 over 2) (D) y^3 (E) y^6 正确答案>>> The correct answer is E Explanation If x^(1 over 3) = y^2, then (x^(1 over 3))^3 = (y^2)^3, so x = (x^(1 over 3))^3 = (y^2)^3 = y^6.
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SAT I 一日一问：2014年10月23日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. If x^negative 2 = 16, what is the value of x^2? (A) 1 over 16 (B) 1 over 4 (C) 2 (D) 4 (E) 12 正确答案>>> The correct answer is A Explanation If x^negative 2 = 16, then 1 over x^2 = 16, so x^2 = 1 over 16.
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SAT I 一日一问：2013年12月3日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. There are n students in a biology class, and only 6 of them are seniors. If 7 juniors are added to the class, how many students in the class will not be seniors? (A) n-3 (B
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SAT优秀作文欣赏（2）
in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your readings, studies, experience, and observations. Sample Essay - Score of 6 SAT写作6分范文 Throughout time mankind has strived to make his life easier. Whether it be through technology
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SAT I 每日一问：2013年9月25日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. If P is an odd integer, which of the following is an even integer? (A) (B) (C) (D) (E) 答案见下一页>>> The correct answer is E Explanation If P is an odd integer, then and are odd integers. Similarly, choices C and D are odd integers. Since an odd integer subtracted from another odd integer is always an even integer, is even.
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SAT I 一日一问：2014年1月29日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. Machine X, working at a constant rate, can produce x bolts per hour. Machine Y, working at a constant rate, can produce x plus 6 bolts per hour. In terms of x, how many
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SAT I 一日一问：2014年9月11日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. A right circular cylinder has height 6 and volume 54 times pi. What is the circumference of its base? (A) 2 times pi (B) 3 times pi (C) 6 times pi (D) 9 times pi (E) 18
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SAT I 一日一问：2014年9月8日
Mathematics > Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer. The sum, product, and average (arithmetic mean) of three integers are equal. If two of the integers are 0 and negative 5, the third integer is (A) -5 (B) 0 (C) 2 (D) 5 (E
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