Tham khảo tài liệu 'math test english 5', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | ACT MATH TEST PRACTICE Trigonometry Basic trigonometric ratios graphs identities and equations are covered in this section. Basic Trigonometric Ratios 4 opposite sin A hypotenuse cos A adjacent hypotenuse opposite refers to the length of the leg opposite angle A. adjacent refers to the length of the leg adjacent to angle A. opposite tan A adjacent Trigonometric Identities sin2 x cos2 x 1 sin x tan x -iorx co s x sin 2x 2sin x cos x cos 2x cos2 x - sin2 x 2tan x tan 2x 1 - tan x Practice Questions Directions After reading each question solve each problem and then choose the best answer from the choices given. Remember the ACT Math Test is different from all the other tests in that each math question contains five answer choices. When you are taking the official ACT make sure you carefully fill in the appropriate bubble on the answer document. You may use a calculator for any problem but many problems are done more quickly and easily without one. Unless directions tell you otherwise assume the following figures may not be drawn to scale geometric figures lie in a plane line refers to a straight line average refers to the arithmetic mean Remember the questions get harder as the test goes on. You may want to consider this fact as you pace yourself. 164 -------------------------------- ACT MATH TEST PRACTICE ----------------------------------------- 1. How is five hundred twelve and sixteen thousandths written in decimal form a. b. c. 512 160 d. e. 2. 4-3 - 13 f. 2Ặ 5 g. 3U h. 33 5 i. 2 12 j. 11 3. Simplify 3 - 11 4 X 23. a. 24 b. 40 c. 96 d. 520 e. 32 4. The ratio of boys to girls in a kindergarten class is 4 to 5. If there are 18 students in the class how many are boys f. 9 g. 8 h. 10 i. 7 j. 12 5. What is the median of and a. b. c. d. e. 165 ACT MATH TEST PRACTICE 6. Which of the following is NOT the graph of a function f. A .
