de thi olympic tieng anh lop 10 vong 3 nam hoc 2013 2014 tài liệu, giáo án, bài giảng , luận văn, luận án, đồ án, bài tậ...
VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Đề thi Olympic Tiếng Anh lớp 10 vòng năm học 2013 - 2014 Đề thi số Câu Use the scale drawing above to estimate What's the diameter of the hole in the center of the drawing? A inches B 12 inches C 1/2 inches D 1/8 inches E inches Câu The area of a rectangular field is represented by (2k2 + 27k + 70) feet, and the width of the field is represented by (k + 10) feet Which expression represents the length, in feet, of the rectangular field? A k + 60 B 2k + 70 C 2k2 + 26k + 60 D 2k2 - 26k - 60 E 2k + VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu The scatter plot above shows data from an experiment that tested the amount of lactic acid present in aging cheese Which best describes the relationship between the age of the cheese and the amount of lactic acid present in the cheese, as shown in the scatter plot? A There is no correlation B There is a positive correlation C There is a negative correlation D There is a non-linear correlation E None of them Câu Which of the following is equivalent to (2x2y + xy + 2xy2)/xy? A B 3xy + 2x C 2x + + 2y D 2x3y2 + x2y2 + 2x2y3 E None of them Câu Factor: 9x2 - A 9(x - 1) B 9(x - 1)2 C 3(x + 3)(3x - 1) D 9(x + 1)(x - 1) E 9(x + 1)2(x - 1)2 Câu Which of these pairs of equations describes lines that are perpendicular? A y = -4/5x - and y = -5/4x + B y = 2/7x - and -7/2x - C y = 3x + and y = 3x - 15 D y = 5/2x - and y = 2/5x + E None of them Câu Which of these graphs represents a function? VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí A B C D E None of them Câu Which of the following is equivalent to the expression: (6b + 5c – 9) – 4(2b – c – 1)? A –2b + c – 13 B –2b + 9c – C 4b + 9c – 10 D 4b + 6c – E 4b + 6c + 4x + 3y = -3x - 6y = Câu What is the solution of the system of linear equations above? A (-1, 2) B (1, -2) C (2, 1) D (1, 2) E (2, -1) Câu 10 Solve: 3k - 7(k + 5) - < A k < - 10 B k > - 10 C k < D k > E None of them VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Đề thi số Câu What is the area of the triangle shown in the diagram above? A 192 square inches B 384 square inches C 154 square inches D 48 square inches E 96 square inches Câu What is the equation of the line shown in the graph above? A y = 2x + B y = -1/2x + C y = -2x + D y = 1/2x + E y = x + Câu Which of these graphs represents the solution of x - > or 2x + ≤ -6? VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí A B C D E None of them Câu Which of these inequalities describes this graph? A -5 < x < B -5 < x ≤ C -5 ≤ x ≤ D -5 ≤ x < E None of them Câu What is the value of x ? A 40º B 45º C 60º D 80º E 100º VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Câu What is the value of x in the right triangle above? A B √6 C 3√34 D E 12 Câu Which of these dimensions form a rectangle similar to a rectangle with a width of inches and a length of inches? A inches by 10 inches B inches by 25 inches C inches by inches D inches by 15 inches E inches by 20 inches Câu A box has a volume of 2880 cubic inches, a height of 20 inches, and a square base What is the length of a side of the base? A 12 inches B 24 inches C 48 inches D 96 inches E 144 inches Câu Seven students in gym class shot 20 free throws each The number of free throws made successfully is shown in the table above What is the median number of free throws made successfully? A 12 B 13 C 14 D 15 E 16 Câu 10 A committee consists of students and teachers If two committee members are selected at random, what is the probability that the first member selected is a student and the second member is a teacher? A 1/5 B 4/15 C 1/24 D 6/25 E 1/2 VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí Đề thi số Câu At a fancy vegetable stand, Jim bought purple tomatoes for $8 each and Aubrey bought organic giant cabbages for $12 each In total, they paid $104 for 10 vegetables How many cabbages did Aubrey buy? A Four B Five C Six D Seven E Eight Câu What is the apparent solution to the system of equations graphed above? A (-2, -2) B (-2, 2) C (2, -2) D No solution E (2, 0) Câu Joe has $20.00 A six-pack of soda costs $1.89, including tax What is the greatest number of six-packs of soda he can buy? A B 10 C 15 D 20 E 25 Câu Determine the slope m, x-intercept, and y-intercept of the equation 5x – 2y = 10 A slope m = 2.5, x-intercept = (2, 0), and y-intercept = (0, -5) B slope m = -2.5, x-intercept = (2, 0), and y-intercept = (0, -5) C slope m = 0.4, x-intercept = (-5, 0), and y-intercept = (0, 2) D slope m = -0.4, x-intercept = (-5, 0), and y-intercept = (0, 2) E slope m = 2, x-intercept = (-2, 0), and y-intercept = (0, -5) Câu What is the ratio of the area of a circle with radius r to the circumference of the circle? A r/2 B π/2 C 2/r D 2/π E r2/2 VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí The first The second term term is is Each term after the second is found by adding to the immediately preceding term Câu A pattern is described above What is the fifth term in the pattern? A B 12 C 17 D 22 E 25 Câu Which of the following must be true for △QRS? A QR + RS = QS D QR = RS B QR + QS < RS C QS + RS > QR E RS = QS Câu The math club sold candy bars as a fundraiser The number of candy bars sold by each member is shown above Which frequency chart accurately represents the data? A B C D VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí E None of them Câu If x = and y = -1, what’s the value of the expression √ 2x - 8y ? A B √5 C √14 D E 22 Câu 10 Evaluate: – 33 + × A B C D E -3 Đề thi số 2x − 5y = −11 4x + 15y = Câu What is the x-value of the solution to this system of equations? A B C -1 D -3 E -5 Câu The graph represents the total cost in dollars, y, to rent a car and drive x miles Which equation describes this graph? A y = x/10 + 15 B y = x/15 + 10 D y = 15x + 10 E y = 25x + 10 C y = 10x + 15 Câu Which graph shows the solution to the inequality 2x − 3y < −6? VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí A B C D E None of them Câu Jasmine and Nina have documents printed at a copy store Each page that is printed costs the same Jasmine spends $20 to have a 250-page document printed How much will it cost Nina to have a 150-page document printed? A $10 B $12 C $15 D $16 E $18 Câu The land area of the continent of Asia is approximately 44 million square kilometers Which expression shows 44 million written in scientific notation? A 44×106 B 44×107 C 4.4×106 D 4.4×107 E 44×102 Câu Violet walked 2/3 of the way around a lake She walked 5/2 miles What is the total distance around the lake? A 15 /4 miles B 19 /6 miles C 11 /4 miles Câu Which expression has the same value as 5-3? D 5/3 miles E 1/3miles VnDoc - Tải tài liệu, văn pháp luật, biểu mẫu miễn phí A 1/5•3 B 5•(−3) C 1/5•5•5 D -5•-5•-5 Câu Evaluate: + 2(2 – 5)2 – A 25 B 24 C 23 D 22 E 21 Câu What is the value of ab2 when a = and b = 4? A 44 B 45 C 46 D 47 E 48 Câu 10 Which expression is equivalent to − 3x(2x − 4)? A 4x2 − 8x B 4x2 + 8x D −6x2 - 12x + E 6x2 + 12x + C −6x2 + 12x + E 1/3 ... miles Which equation describes this graph? A y = x /10 + 15 B y = x/15 + 10 D y = 15x + 10 E y = 25x + 10 C y = 10x + 15 Câu Which graph shows the solution to the inequality 2x − 3y < −6? VnDoc -... √5 C √14 D E 22 Câu 10 Evaluate: – 33 + × A B C D E -3 Đề thi số 2x − 5y = −11 4x + 15y = Câu What is the x-value of the solution to this system of equations? A B C -1 D -3 E -5 Câu The graph... equivalent to (2x2y + xy + 2xy2)/xy? A B 3xy + 2x C 2x + + 2y D 2x3y2 + x2y2 + 2x2y3 E None of them Câu Factor: 9x2 - A 9(x - 1) B 9(x - 1)2 C 3( x + 3) (3x - 1) D 9(x + 1)(x - 1) E 9(x + 1)2(x