tailieunhanh - Solve prpblem sat 9

Tham khảo tài liệu 'solve prpblem sat 9', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | PRACTICE TEST 3 3. In the diagram above off x for how many values does f x -1 a. 0 b. 1 c. 2 d. 3 e. 4 4. The equation ị - 3x -8 when x a. -8 or 8. b. -4 or 4. c. -4 or -8. d. 4 or -8. e. 4 or 8. 5. The expression x3 x2-620x can be reduced to 4- a. x 5. b. x 4 c. x 5. d. Ĩ 4 . x2 5x . e. -x3 - 20x. 234 PRACTICE TEST 3 6. In the diagram above if angle OBE measures 110 degrees what is the measure of arc AC a. 20 degrees b. 40 degrees c. 55 degrees d. 80 degrees e. cannot be determined 7. The volume of a cylinder is 486n cubic units. If the height of the cylinder is six units what is the total area of the bases of the cylinder a. 9n square units b. 18n square units c. 27n square units d. 81n square units e. 162n square units 8. If a V20 2VJ8 then a a. 2V3. b. V5. c. 5. d. Vó. e. 6. 235 PRACTICE TEST 3 9. In the diagram above ABC and DEC are right triangles the length of side BC is 15 units and the measure of angle A is 60 degrees. If angle A is congruent to angle EDC what is the length of side DC a. V15 units 15 b. 2 units c. 2s v 3 units d. 9 units e. 15 V3 units 10. If q is decreased by p percent then the value of q is now a. q - p. b. q - 100. c. - p 0. d. q - KX0. e. pq - pp . nax 2 b X 2 1 1 . The product of b 2 a 2 a 1 a. a. b. X a. c. a3 b4. d. a4 b4. e. a5 b4. .