下面无忧小编为各位同学搜集整理了一道关于抛物线的SAT数学题，非常详细，希望对大家的SAT数学考试备考有所帮助。
Read the following SAT test question and then click on a button to select your answer.
The quadratic function
is graphed in the
-plane above. If 
for all values of
, which of the following could be the coordinates of point
?
Answer Choices
(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
.
以上便是一道关于抛物线的SAT数学题介绍，希望对大家的SAT数学考试备考有一定的参考作用，帮助大家更好地备考。无忧小编祝大家都能取得理想的SAT数学考试成绩!想要了解更多关于“SAT数学考试”的信息，请拨打免费留学培训热线：400-680-5851，或者直接点击网页上的“在线咨询”，与我们的无忧培训专家一对一沟通交流!
