Quantitative样题.pdf

Mathematical Content Area — Arithmetic Sample Questions 1. If j and k are integers and j - k is even, which of the following must be even? (A) k (B) jk (C) j + 2k (D) jk + j (E) jk - 2j The correct answer is choice D, jk + j. 2. A certain recipe requires cups of sugar and makes 2 dozen cookies.(1 dozen = 12) Quantity A Quantity B The amount of sugar required for the same recipe to make 30 cookies 2 cups (A) Quantity A is greater. (B) Quantity B is greater. (C) The two quantities are equal. (D) The relationship cannot be determined from the information given. The correct answer is choice B, Quantity B is greater. Mathematical Content Area — Algebra Sample Questions 1. The figure above shows the graph of a function f, defined by f(x) = |2x| + 4 for all numbers x. For which of the following functions g defined for all numbers x does the graph of g intersect the graph of f ? (A) g(x) = x - 2 (B) g(x) = x + 3 (C) g(x) = 2x - 2 (D) g(x) = 2x + 3 (E) g(x) = 3x - 2 The correct answer is choice E, g(x) = 3x - 2. 2. Working alone at its constant rate, machine A produces k car parts in 10 minutes. Working alone at its constant rate, machine B produces k car parts in 15 minutes. How many minutes does it take machines A and B, working simultaneously at their respective constant rates, to produce k car parts? minutes The correct answer is 6 minutes. Mathematical Content Area — Geometry Sample Questions 1. Quantity A Quantity B The area of rectangular region ABCD The area of trapezoidal region EFGH (A) Quantity A is greater. (B) Quantity B is greater. (C) The two quantities are equal. (D) The relationship cannot be determined from the information given. The correct answer is choice C, the two quantities are equal. 2. In triangle ABC, the measu