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Extra resources for Intermediate Algebra (6th Edition)
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1. zero x zero … four three. zero x - three zero 6 2 five. zero x + three zero 6 2 7. zero 2x + 7 zero … thirteen nine. zero x zero + 7 … 12 eleven. zero 3x - 1 zero 6 -5 thirteen. zero x - 6 zero - 7 … - 1 2. zero x zero 6 6 clear up each one inequality. Graph the answer set and write it in period notation. See Examples 6 via eight. 15. zero x zero 7 three sixteen. zero y zero Ú four four. zero y - 7 zero … five 17. zero x + 10 zero Ú 14 18. zero x - nine zero Ú 2 eight. zero 5x - three zero … 18 21. zero 5x zero 7 - four 22. zero 4x - eleven zero 7 - 1 6. zero x + four zero 6 6 10. zero x zero + 6 … 7 12. zero 8x - three zero 6 - 2 14. zero z + 2 zero - 7 6 -3 19. zero x zero + 2 7 6 23. zero 6x - eight zero + three 7 7 20. zero x zero - 1 7 three 24. zero 10 + 3x zero + 1 7 2 106 bankruptcy 2 Equations, Inequalities, and challenge fixing remedy each one inequality. Graph the answer set and write it in period notation. See instance five. 25. zero x zero … zero 27. zero 8x + three zero 7 zero 26. zero x zero Ú zero eighty one. ` 3x - five ` 7 five 6 4x - 7 eighty two. ` ` 6 2 five 28. zero 5x - 6 zero 6 zero evaluate AND PREVIEW combined perform clear up every one inequality. Graph the answer set and write it in period notation. See Examples 1 via eight. 29. zero x zero … 2 30. zero z zero 6 eight 33. zero x - three zero 6 eight 34. zero - three + x zero … 10 31. zero y zero 7 1 32. zero x zero Ú 10 35. zero zero. 6x - three zero 7 zero. 6 36. zero 1 + zero. 3x zero Ú zero. 1 39. zero x zero 7 - four forty. zero x zero … - 7 37. five + zero x zero … 2 forty-one. zero 2x - 7 zero … eleven 38. eight + zero x zero 6 1 keep in mind the formulation: variety of ways in which the development can ensue likelihood of an occasion = variety of attainable results locate the likelihood of rolling every one quantity on a unmarried toss of a die. (Recall die is a dice with each one of its six aspects containing 1, 2, three, four, five, and six black dots, respectively. ) See part 2. three. forty two. zero 5x + 2 zero 6 eight eighty three. P(rolling a 2) eighty four. P(rolling a five) eighty five. P(rolling a 7) 86. P(rolling a zero) forty five. zero x zero 7 zero forty four. zero - 1 + x zero - 6 7 2 forty six. zero x zero 6 zero 87. P(rolling a 1 or three) 88. P(rolling a 1, 2, three, four, five, or 6) forty nine. 6 + zero 4x - 1 zero … nine 2 fifty one. ` x + 1 ` 7 1 three fifty three. zero 5x + three zero 6 -6 forty eight. five + zero x zero Ú four 50. - three + zero 5x - 2 zero … four three fifty two. ` x - 1 ` Ú 2 four fifty four. zero four + 9x zero Ú - 6 think about the equation 3x - 4y = 12. for every worth of x or y given, locate the corresponding worth of the opposite variable that makes the assertion precise. See part 2. three. forty three. zero x + five zero + 2 Ú eight forty seven. nine + zero x zero 7 7 fifty five. ` 8x - three ` … zero four fifty seven. zero 1 + 3x zero + four 6 five fifty six. ` 5x + 6 ` … zero 2 fifty eight. zero 7x - three zero - 1 … 10 x + 6 ` 7 2 fifty nine. ` three 7 + x 60. ` ` Ú four 2 sixty one. - 15 + zero 2x - 7 zero … - 6 suggestion EXTENSIONS ninety three. Write an absolute price inequality representing all numbers x whose distance from zero is below 7 devices. ninety seven. Describe how fixing zero x - three zero = five isn't the same as fixing zero x - three zero 6 five. ninety eight. Describe how fixing zero x + four zero = zero is the same to fixing zero x + four zero … zero. sixty six. zero 2x - three zero 7 7 sixty eight. zero five - 6x zero = 29 sixty nine. zero x - five zero Ú 12 70. zero x + four zero Ú 20 seventy three. zero 2x + 1 zero + four 6 7 seventy four. eight + zero 5x - three zero Ú eleven seventy five. zero 3x - five zero + four = five ninety two. If x = four , locate y. ninety six. Write x 7 1 or x 6 - 1 as an an identical inequality containing an absolute worth. resolve every one equation or inequality for x. (Sections 2. 6, 2. 7) seventy one. zero nine + 4x zero = zero ninety one. If y = -3 , locate x. ninety five. Write -5 … x … five as an an identical inequality containing an absolute worth. combined perform sixty five. zero 2x - three zero 6 7 ninety. If y = -1 , locate x. ninety four. Write an absolute price inequality representing all numbers x whose distance from zero is larger than four devices.