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4道SAT数学选择题练习.

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  下面是为大家准备的2014年2月24日—2014年2月27日的4道SAT考试数学选择题练习题。同学们在备考SAT数学的过程中,一定要加强习题的练习,熟练到能充分理解题意,争取得到满分。

  1.Ifand, thenexceedsby

  (A)

  (B)

  (C)

  (D)

  (E)

  2.What is the equation of the line parallel to the-axis and four units above the-axis?

  (A)

  (B)

  (C)

  (D)

  (E)

  3.If, for which of the following values ofisNOT dined?

  (A)

  (B)

  (C)

  (D)

  (E)

  4.If,, andare numbers such thatand, thenis equal to which of the following?

  (A)

  (B)

  (C)

  (D)

  (E)

  

  参考答案及解析:

  1.The correct answer is E

  Explanation

  “exceeds” is interpreted mathematically as the value ofand is evaluated as follows: 

  

  

  

  

  

  

  2.Nice work!

  Explanation

  A line that is parallel to the-axis and four units above the-axis is the vertical translation of the-axis four units upward. Since the-axis is a horizontal line and has equation, it follows that the line parallel to the-axis and four units above the-axis has equation.

  3.The correct answer is B

  Explanation

  Division byis not dined, sois not dined whe. The product

is equal toifor if. Therore,is dined for all of the choices except.

  4.The correct answer is A

  Explanation

  Fromis implied that(1)

  And fromis implied that(2)

  If we multiply (1) and (2) together, we have that(is canceled out).

  以上就是关于4道SAT考试数学选择题练习题及其答案和解析,非常详细。同学们在备考阶段,一定要加强习题的练习以及题意的理解,争取SAT数学满分。

4道SAT数学选择题练习参考答案及解析

  下面是为大家准备的2014年2月24日—2014年2月27日的4道SAT考试数学选择题练习题。同学们在备考SAT数学的过程中,一定要加强习题的练习,熟练到能充分理解题意,争取得到满分。

  1.Ifand, thenexceedsby

  (A)

  (B)

  (C)

  (D)

  (E)

  2.What is the equation of the line parallel to the-axis and four units above the-axis?

  (A)

  (B)

  (C)

  (D)

  (E)

  3.If, for which of the following values ofisNOT dined?

  (A)

  (B)

  (C)

  (D)

  (E)

  4.If,, andare numbers such thatand, thenis equal to which of the following?

  (A)

  (B)

  (C)

  (D)

  (E)

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