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SAT-II-Subject-Tests
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(B) (C) 200 + t (D) 200 – 2t (E) 2t – 100 8. In the above figure, if AC is a diameter of the circle, B is a point on the circle, and sin θ = 1/2, then sin φ = (A) (B) (C) (D) (E) 9. If an equilateral triangle is rotated 360 ° around one of its altitudes, the resulting solid is a (A) cone (B) cube (C) cylinder (D) sphere (E) right prism 10. How many integers are in the solution set of |3x – 2| < 1? (A) None (B) One (C) Two (D) Three (E) Infinitely many 11. If f(x,y) = x 2 – xy + y 2 , for all real numbers, then which of the following must be true? (A) f(x,y) = f(x,–y) (B) f(x,y) = f(–x,y) (C) f(x,y) = f(–x, –y) (D) f(x,y) = f(x,1/y) (E) f(x,y) = f(x, –1/y) 12. If , for what value of x is f(x) undefined? (A) –4 (B) –2 (C) 0 (D) 2 (E) 4 13. An angle measure of 45 ° is equivalent to an angle measure of (A) 1 4 radians (B) 1 π radians (C) π 4 radians (D) π 2 radians (E) π radians 14. If cos x = 0.2586 and 0 < x < π 2 , what is the value of x? (A) 8.254 (B) 1.309 (C) 0.999 (D) 0.688 (E) 0.005 GO ON TO THE NEXT PAGE Lesson 8 228 w w w . p e t e r s o n s . c o m / a r c o ARCO ■ SAT II Subject Tests 15. If log 3 2 = x, then x = (A) 0.27 (B) 0.63 (C) 0.89 (D) 1.2 (E) 1.7 16. If f(x) = 3x – 6, and if g(f(x)) = x, then g(x) = (A) (B) (C) 6 – 3x (D) (E) 17. Where defined, (A) sin x (B) cos x (C) tan x (D) sin x csc x (E) 18. What is the area of a right triangle with an angle of 58 ° and with a shorter leg of 5? (A) 8 (B) 15 (C) 20 (D) 27 (E) 33 19. The diameter and the height of a right circular cylinder are equal. If the volume of the cylin- der is 6, what is the height of the cylinder? (A) 1.5 (B) 2.0 (C) 2.2 (D) 2.5 (E) 2.8 20. If x 1/4 = 20, then x = (A) (B) 5 (C) 80 (D) 2,000 (E) 160,000 21. In the coordinate plane, the graph of which of the following lines is perpendicular to the graph of line (A) (B) (C) (D) (E) 22. If , then x = (A) 6 (B) 9 (C) 12 (D) 15 (E) 16 23. If the probability that an event, e, will occur is represented by the expression , then which of the following expressions represents the probability that event e will not occur? (A) (B) (C) (D) x + 1 (E) x – 1 Mathematics Level IC/IIC Subject Tests 229 ARCO ■ SAT II Subject Tests w w w . p e t e r s o n s . c o m / a r c o 24. A student’s final grade in a certain course is the average of his scores on ten tests graded on a scale of 0 to 100, inclusive. For the first six tests, the student’s scores averaged 83. If x is the student’s final grade for the course, then which of the following is true? (A) 8.3 ≤ x ≤ 83.0 (B) 49.8 ≤ x ≤ 83.0 (C) 49.8 ≤ x ≤ 89.8 (D) 54.7 ≤ x ≤ 89.8 (E) 83.0 ≤ x ≤ 89.8 25. Which of the following represents the multi- plicative inverse of the complex number 2 – i? (A) 2 + i (B) i – 2 (C) (D) (E) 26. (A) –1 (B) (C) (D) (E) 2 27. If , what is f –1 (2.5)? (A) 0.4 (B) 0.9 (C) 1.3 (D) 1.7 (E) 2.3 28. If , then which of the following must be true? I. sin x < cos x II. tan x < cot x III. sec x < cos x (A) I only (B) II only (C) III only (D) I, II, and III (E) None 29. In the above figure, if Arcsin s = 2 Arcsin d, then x = (A) 15 ° (B) 30 ° (C) 45 ° (D) 60 ° (E) 75 ° 30. If, for all n, 2 n + 2 n + 2 n + 2 n = x(2 n+1 ), then x = (A) 2 (B) 4 (C) 2 n (D) 2 2n (E) 2 n+1 31. If i x = 1, then x could equal (A) 13 (B) 14 (C) 15 (D) 16 (E) 17 GO ON TO THE NEXT PAGE Lesson 8 230 w w w . p e t e r s o n s . c o m / a r c o ARCO ■ SAT II Subject Tests 32. The formula for the area enclosed by an ellipse is A = πab, where a and b are one–half the lengths of the major and minor axes, respectively. In the figure above, the equation of the circle is x 2 + y 2 = 12, then what is the area enclosed by the ellipse? (A) 62 (B) 87 (C) 103 (D) 117 (E) 131 33. The above figure is a possible graph for which of the following equations? (A) y = 2 sin x (B) y = sin x + 2 (C) y = csc x + 1 (D) y = csc x – 1 (E) y = sec x + 1 34. What is ? (A) –1 (B) 0 (C) 1 (D) 2 (E) The limit does not exist. 35. If 0 ≤ x ≤ π and cos x = –1, then cos = (A) (B) (C) 0 (D) (E) 36. Which of the following defines the range of the function ? (A) All real numbers (B) All real numbers except –1 (C) All real numbers except 0 (D) All real numbers except 1 (E) All real numbers greater than –1 Mathematics Level IC/IIC Subject Tests 231 ARCO ■ SAT II Subject Tests w w w . p e t e r s o n s . c o m / a r c o 37. Which of the following figures represents the graph of x = 3 sin θ y = 2 cos θ (A) (B) (C) (D) (E) 38. If 5 x = 2, what does 3 x equal? (A) 2.8 (B) 2.3 (C) 2.1 (D) 1.9 (E) 1.6 39. If 4 cos x = sin x and if x is in radian measure, what is the least positive value of x? (A) 6.452 (B) 2.133 (C) 1.326 (D) 1.021 (E) 0.933 40. Triangle ABC has coordinates A(–1, –2), B(0,4), and C(3, –1). Which of the following provides the coordinates of triangle A’B’C’, respectively, the image of triangle ABC after a reflection in the line y = –x? (A) (–2, –1), (4,0), (–3, –1) (B) (1,2), (0, –4), (–3,1) (C) (2,1), (–4,0), (1, –3) (D) (3,2), (5,1), (2, –2) (E) (4,0), (3, –1), (–1, –2) 41. If sin x = cos x, then x could terminate only in the (A) first quadrant (B) second quadrant (C) first or third quadrants (D) second or third quadrants (E) second or fourth quadrants 42. If the line x = k is tangent to the circle (x – 2) 2 + (y + 1) 2 = 4, then the point of tan- gency is (A) (–6, –1) or (2, –1) (B) (–2, –1) or (6, –1) (C) (0, –1) or (4, –1) (D) (0,1) or (4,1) (E) (2,1) or (6,1) 43. The graph of y = 2 cos 2x + 2 intersects the y– axis where y = (A) 0 (B) 2 (C) 3 (D) 4 (E) 5 GO ON TO THE NEXT PAGE Lesson 8 232 w w w . p e t e r s o n s . c o m / a r c o ARCO ■ SAT II Subject Tests 44. What is the last term in the expansion (2x + 3y) 4 ? (A) y 4 (B) 9y 4 (C) 27y 4 (D) 81y 4 (E) (xy) 4 45. If two unbiased dice are rolled, what is the probability that the number of dots on the two exposed faces will total 4? (A) (B) (C) (D) (E) 46. Which of the following could be a graph of the equation y = ax 2 + bx + c, where b 2 – 4ac = 0? (A) (B) (C) (D) (E) Mathematics Level IC/IIC Subject Tests 233 ARCO ■ SAT II Subject Tests w w w . p e t e r s o n s . c o m / a r c o 47. A plane cuts through a cube in such a way that the plane passes through three of the cube’s vertices, no two of which lie on the same edge. If the edge of the cube has a length of 1, what is the surface area of the smaller fragment of the cube? (A) 2.4 (B) 2.7 (C) 3.1 (D) 3.7 (E) 4.3 48. Which of the following equations describes a parabola with focus (2,3) and directrix y = 0? (A) (x + 2) 2 + (y + 3) 2 = 2 (B) (x – 2) 2 + (y – 3) 2 = 4 (C) (x – 2) 2 = – (y – 3) 2 (D) (x – 2) 2 = 2(y + 3) (E) (x – 2) 2 = 3(2y – 3) 49. A student taking a true–false test guesses ran- domly on three items. What is the probability that exactly two of the guesses will be cor- rect? (A) 1 16 (B) 1 8 (C) 1 4 (D) 3 8 (E) 1 2 50. (1) Given any individual x, if x is a C, then x is also a Q. (2) There exists at least one individual x such that x is not a Q. Which of the following conclusions can be logically deduced from the two statements above? (A) There exists at least one x such that x is not a C. Download 2.86 Mb. Do'stlaringiz bilan baham: |
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