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大华雅思
大华雅思
SAT1官网每日一题之数学篇(五)
sat考试官方网站每日一题小结,以下是SAT1数学部分。Read the following SAT test question, then click on a button to select your answer.
What is the equation of the line parallel to the x-axis and four units above the x-axis?
A.= –4
B.= 4
C. –4
D.= 0
E.= 4
Correct Answer: E
Here's Why:
A line that is parallel to the x-axis and four units above the x-axis is the vertical translation of the x-axis four units upward. Since the x-axis is a horizontal line and has equation y = 0, it follows that the line parallel to the x-axis and four units above the x-axis has equation y = 4.
Difficulty: Easy
Question Type: Standard Multiple Choice
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