﻿ 567彩票:焦点教育出品SAT2数学习题6套.pdf

567彩票 焦點教育出品SAT2數學習題6套.pdf 39頁

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SAT II 數學Level 1 & Level 2 練習題 SAT2 數學 Level 1 習題 1 Question #1: If f(x) = x and g(x) = √x, x≥ 0, what are the solutions of f(x) = g(x)? x = 1 x = 1, x = -1 1 2 x = 1, x = 0 1 2 x = 0 x = -1 Question #2: What is the length of the arc AB in the figure below, if O is the center of the circle and triangle OAB is equilateral? The radius of the circle is 9. ? 2 · ? 3 · ? 4 · ? ? / 2 Question #3: What is the probability that someone that throws 2 dice gets a 5 and a 6? Each dice has sides numbered from 1 to 6. 1/2 1/6 1/12 1/18 1/36 Question #4: A cyclist bikes from town A to town B and back to town A in 3 hours. He bikes from A to B at a speed of 15 miles/hour while his return speed is 10 miles/hour. What is the distance between the 2 towns? 11 miles 18 miles 15 miles 12 miles 10 miles Question #5: The volume of a cube-shaped glass C1 of edge a is equal to half the volume of a cylinder-shaped glass C2. The radius of C2 is equal to the edge of C1. What is the height of C2? 2·a / ? a / ? a / (2·?) a / ? a + ? x Question #6: How many integers x are there such that 2 < 100, and at the same time the x number 2 + 2 is an integer divisible by both 3 and 2? 1 2 3 4 5 2 Question #7: sin(x)cos(x)(1 + tan (x)) = tan(x) + 1 cos(x) sin(x) tan(x) sin(x) + cos(x) Question #8: If 5xy = 210, and x and y are positive integers, each of the following could be the value of x + y except: 13 17 23 15 43 Question #9: The average of the integers 24, 6, 12, x and y is 11. What is the value of the sum x + y? 11 17 13 15 9 Question #10: The inequality |2x - 1| > 5 must be true in which one of the following cases? I. x < -5 II. x > 7 III. x > 0 II only I, II and II I and II only I and III only I only ? Question #1: If f(x) = x and g(x) = √x, x≥ 0, what are the solutions of f(