2017年1月1日SAT官方每日一题---数学选择.

2017-08-04 作者： 249阅读

　　下面是2014年1月1日的SAT官方每日一题的内容，是关于数学方面的，题型是选择。SAT官方每日一题是collegeboard每天都会发布的题目，关于SAT考试的三个部分的各个题型。大家和澳际小编一起来看一下这个SAT官方每日一题吧。

　　SAT官方每日一题之数学---选择：

　　Mathematics > Standard Multiple Choice

　　Read the following SAT test question and then click on a button to select your answer.

　　What is the area of the triangle in the figure above?

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is B

　　Explanation

　　Figures in a Coordinate Plane

　　The figure provides all the information you need to answer the question.

　　What Is the Question Asking?

　　You are asked to figure out the area of a triangle that is dined by the points in a coordinate plane.

　　What Do You Know?

　　The triangle in the figure is a right triangle with the right angle at the lower lt.

　　Because it is a right triangle, its base and height are the two sides that form the right angle.

　　The area of a triangle is.

　　The base of the triangle extends from pointto point. So it isunits long.

　　The height of the triangle extends from pointto point. So it isunits long.

　　下面为大家提供一些和这些SAT官方每日一题相似的题目，供大家练习：

　　In the figure, the slope of the line through points. What is the value of?

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is B

　　Explanation

　　The slope of a line in a coordinate plane is given by the fraction whose numerator is the change inbetween any two points on the line and whose denominator is the change inbetween the same points on the line.

　　The question asks for the value of, which is the-coordinate of point.

　　The change inbetween pointsandis. The change inbetween these points is. Since the slope is, it follows that. Solving this equation gives. Therore,, and.

　　以上就是关于2014年1月1日SAT官方每日一题中数学部分的详细内容，包括了题目和选项以及答案，后面附有一道相关的练习题。大家可以在备考SAT的过程中关注SAT每日一题的内容，这样就可以更好有不间断的练习，也就能在日积月累的过程中得到提高。