SAT数学备考习题练习四26088.pdf

全国免费咨询电话：400-0123-267 SAT 数学备考习题练习四 小马过河为大家准备了“SAT数学备考习题练习四”，供各位备考 SAT的考生们参考使用，来提高自己的托福成绩！免费咨询电话：400-0123-267 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 Heres 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 Read the following SAT test question,then click on a button to select your answer.There are n students in a biology class,and only 6 of them are seniors.If 7 juniors are added to the class,how many students in the class will not be seniors?A.n 3 B.n 2 全国免费咨询电话：400-0123-267 C.n 1 D.n+1 E.n+2 Correct Answer:D Heres Why:At first,there are n students in the class,and 6 of them are seniors.It follows that initially n 6 students are not seniors.If 7 juniors are added to the class,there will be n 6+7,or n+1,students in the class who are not seniors.Difficulty:Medium Question Type:Standard Multiple Choice 来源于：小马过河 小马过河资料下载频道，欢迎您来下载！