sat數(shù)學(xué)考試試題(編輯修改稿)
2025-05-01 02:49 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 The edges of a cube are each 4 inches long. What is the surface area, in square inches, of this cube? (A)66 (B)60 (C)76 (D)96 (E)65 Question 1: The sum of the two solutions of the quadratic equation f(x) = 0 is equal to 1 and the product of the solutions is equal to 20. What are the solutions of the equation f(x) = 16 x ?(a) x1 = 3 and x2 = 3 (b) x1 = 6 and x2 = 6(c) x1 = 5 and x2 = 4 (d) x1 = 5 and x2 = 4(e) x1 = 6 and x2 = 0 Question 2: In the (x, y) coordinate plane, three lines have the equations:l1: y = ax + 1l2: y = bx + 2l3: y = cx + 3 Which of the following may be values of a, b and c, if line l3 is perpendicular to both lines l1 and l2?(a) a = 2, b = 2, c = .5 (b) a = 2, b = 2, c = 2(c) a = 2, b = 2, c = 2 (d) a = 2, b = 2, c = .5(e) a = 2, b = 2, c = 2Question 3: The management team of a pany has 250 men and 125 women. If 200 of the managers have a master degree, and 100 of the managers with the master degree are women, how many of the managers are men without a master degree? (a) 125 (b) 150 (c) 175 (d) 200 (e) 225Question 4: In the figure below, the area of square ABCD is equal to the sum of the areas of triangles ABE and DCE. If AB = 6, then CE = (a) 5 (b) 6 (c) 2 (d) 3 (e) 4Question 5:If α and β are the angles of the right triangle shown in the figure above, then sin2α + sin2β is equal to:(a) cos(β) (b) sin(β) (c) 1 (d) cos2(β) (e) 1Question 6: The average of numbers (a + 9) and (a 1) is equal to b, where a and b are integers. The product of the same two integers is equal to (b 1)2. What is the value of a? (a) a = 9 (b) a = 1 (c) a = 0 (d) a = 5 (e) a = 11
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