Giải bài tập và trả lời câu hỏi từ chương 2 đến chương 15 | Answers Chapter 2 1. 3 555 2. 865 3. 92 920 4. 23 2. 225 3. 164 4. 627 5. 440 6. 101 1. 840 2. 17 3. 172 4. 122 5. 13 800 6. 598 7. 176 73 101 4 19 1. 2. 3. 4- 4. 168 252 5 30 13 37 1 12 5. 2 6. 4 7. 14 8. 3 21 60 12 13 39 1 9. 18 10. 1- 40 2 1 5 2 1. a 3 b 7 c 1 d 3 e 11 11 2 7 5 3 1 2. 1 3. a 1 b 5 4. 15 43 23 1 7 9 11 13 15 1. 2. 3. 4. 36 082 5. 6. 610 7. 140 8. a b c 9. a b c d 1. -2 2. -24 3. -33 4. 5. 6. -117 7. -330 8. 3600 -157 17 9. 10. 140 16 1. 2. 123 3. 6 4. 64 5. 6. 531 441 7. 8. 36 9. 10. 1993 2003 Mike Rosser 1. 25 6. 96 8. 1. 270 5. 9. 2. 2 7. 10 9. 2. 6. 16 552 877 3. 4. 7 5. 10. 3. x 109 7. 4. x 108 8. Chapter 3 1. a b c 3. a 12 b xP2 4. a kg 5. 6. Own example 2. b kg c x 7. 6y 8. 3q - 6000 3. r z 9 4. Own example 6. 7. 2 100 8. a 99 b 2 166 1. 30x 4 2. 24x - 18y 7xy - 12 3. 6x 5y - 650 4. 9H - 120 1. 6x2 - 24x 2. x2 4x 9 3. 2x2 6x xy 3y 4. 42x2 - 16y2 - 34xy 6y 5. 33x 2y - 20y2 62xy - 21 6. 120 2x 54y 40z - x2 6y2 xy 4xz 8yz - 2q2 8. 13x 11y 9. 8x2 60x 76 10. 4 000 150x 1. x 4 2 2. x - 3y 2 3. Does not factorize 4. Does not factorize 5. Own example 1. 3x 7 - 20x-1 2. x 9 3. 4y x 12 4. 200x-1 21 5. 179x 6. 2 x 3 4 - x - 3 - x 2 9 7. Own example 2. 6. 20 p 9. 3 m 1. 1 cm i 1 4. 6 000 i-1 16 260 tonnes 5. a 1 Ri 4 425 n-1 b 1 Ri 4 933 6. n-3 1. a b c d 2. a b c d 3. a Q1 Q2 b Q1 Q2 c Q1 Q2 4. P2 P1 1993 2003 Mike Rosser Chapter 4 1. a Quantity demanded depends on the price of tea average exp. etc. b Qt dependent all others independent. c Qt
