下面是2013年9月22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。大家和无忧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.
A line segment containing the points
and
will also contain the point
(A)
(B)
(C)
(D)
(E)
The correct answer is C
Explanation
The slope of the line containing the points
and
is
, or
. If
is another point on this line segment, then
and
must satisfy
, or
. Of the five choices,
is the only point for which
.
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：
The quadratic function
is graphed in the
-plane above. If
for all values of
, which of the following could be the coordinates of point
?
(A)
(B)
(C)
(D)
(E)
The correct answer is C
Explanation
The fact that
for all values of
means that the point
is the maximum of the quadratic function
, so
must be the vertex of the parabola. The parabola intersects the
-axis at the points
and
, so
must be halfway between
and
. Therefore,
. Of the choices, the only one with
-coordinate equal to
is
. Therefore,
could be the coordinates of point
.
以上就是关于2013年9月22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。
