Geomegy review 8

Tham khảo tài liệu 'geomegy review 8', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | ---------------------------- PRACTICE TEST 1 8. In the diagram above lines EF and GH are parallel and line AB is perpendicular to lines EF and GH. What is the length of line AB a. 5 b. 5V2 c. 5V3 d. 10 V2 e. 10 V3 9 I ho OVVITVÌCCỈ15 o TiiỈArolíiTTb 1 . The expression jC2 4jC_2i is equivalent to 5 a. 7. b. x 5. x 5 c. x 7. d. 2x -7- 2x - 15 e. 4x-21 10. The point 2 1 is the midpoint of a line with endpoints at -5 3 and a. 3 4 . b. -7 2 . c. 7 1 . d. 9 -1 . e. -10 3 . 11. Lindsay grows only roses and tulips in her garden. The ratio of roses to tulips in her garden is 5 6. If there are 242 total flowers in her garden how many of them are tulips a. 22 b. 40 c. 110 d. 121 e. 132 179 --------------------------------------- PRACTICE TEST 1 ---------------------------------------------- 12. It takes eight people 12 hours to clean an office. How long would it take six people to clean the office a. 9 hours b. 15 hours c. 16 hours d. 18 hours e. 24 hours 13. Greg has nine paintings. The Hickory Museum has enough space to display three of them. From how many different sets of three paintings does Greg have to choose a. 27 b. 56 c. 84 d. 168 e. 504 14. If the surface area of a cube is 384 cm2 what is the volume of the cube a. 64 cm3 b. 256 cm3 c. 512 cm3 d. 1 152 cm3 e. 4 096 cm3 In the diagram above what is the sum of the measures of the angles x y and z a. 180 degrees b. 360 degrees c. 540 degrees d. 720 degrees e. cannot be determined 180 PRACTICE TEST 1 16. Given the following figure with one tangent and one secant drawn to the circle what is the measure of a. 50 degrees b. 85 degrees c. 60 degrees d. 110 degrees e. 25 degrees 17. COST OF BALLONS QUANTITY PRICE PER BALLOON 1 10 100 1 000 Balloons are sold according to the chart above. If a customer buys one balloon at a time the cost is per balloon. If a customer buys ten balloons at a time the cost is per balloon. If Carlos wants to buy 2 000 balloons how much money does he save by .