Algebra I Chapter Review

Chapter Review 1361 (Odds Only) on pp. 223226 Solve from apiece one inequality. Graph your solutions. 13. w + 3 > 9 W + 3 3 > 9 3 W > 6 15. -4 < t + 8 -4 8 < t + 8 8 t > -12 17. 22. 3 ? 13. 7 + h 22. 3 13. 7 ? 13. 7 13. 7 + h h ? 8. 6 19. You convey at most $15. 00 to spend. You want to buy a apply CD that costs $4. 25. Write and solve an inequality to find the accomplishable additional nitty-grittys you shag spend. a = Additional funds you can spend. a ? 15 4. 25 21. -6t > 18 -6t-6 > 18-6 t < -3 23. h4 < 6 h4 ? -4 < 6 ? -4 > -24 25. 35n ? 9 35n ? 35 ? 9 ? 35 n ? 15 27. -17. 1m < 23. 8 -17. 1m ? -17. 1 < 23. 8 ? -17. 1 m > 1. 392 Solve each inequality. 29. 4k 1 ? -3 4k 1 + 1? -3 + 1 4k4 ? -24 k ? -0. 5 31. 3t > 5t + 12 3t 5t > 5t 5t + 12 -2t-2 > 12-2 t < -6 33. 4 + x2 > 2x 4 + x2 ? 2 > 2x ? 2 4 + x x > 4x x 43 > 33 1. 33 > x 35. 13. 5a + 7. 4 ? 85. 7 13. 5a + 7. 4 7. 4 ? 85. 7 7. 4 13. 5a13. 5 ? 78. 313. 5 a ? 5. 8 37. A salesperson take a shits $ two hundred per week confident(p) a commission equal to 4% of her sales.This week her goal is to earn no less than $450. Write and solve an inequality to find the amount of sales she must have to reach her goal. 200 + . 04s ? 450 200 200 + . 04s ? 450 -200 .04s. 04 ? 250. 04 s ? $6,250 41. Suppose U = 1, 2, 3, 4, 5, 6, 7, 8 and B = 2, 4, 6, 8. What is B? B = 1, 3, 5, 7 Solve each compound inequality. 43. 0 < -8b ? -6. 3 0-8 < -8b-8 ? -6. 3-8 0 > b ? .7875 45. 5m < -10 or 3m > 9 5m5 < -105 or 3m3 > 93 m < 2 or m > 9 47. 9. 1 > 1. 4p ? -6. 3 9. 11. 4 > 1. p1. 4 ? -6. 31. 4 6. 5 > p ? -4. 5 Solve each equation or inequality. If there is no solution, write no solution. 49. y = 3 y = 3, -3 51. 4 + r + 2 = 7 r = 1, -5 53. 5x ? 15 No solution. 55. 2x 7 1 > 0 No solution. 57. The model length of a certain nail is 20mm. The actual length can vary from the ideal by at most 0. 4mm. Find the say of acceptable lengths of t he nail. a = Acceptable lengths 19. 6mm < a < 20. 4mm Exercises 59. Let P = 1, 5, 7, 9, 13, R = 1, 2, 3, 4, 5, 6, 7, 8, and Q = 1, 3, 5.Draw a Venn diagram that represents the intersection and nub of the sets. P 9, 13 Q 1, 5 7 3 2, 4, 6, 8 R 61. There ar 15 cats. Ten atomic number 18 striped and have young eyes. The rest of the cats have green eyes but are not striped. How many cats have green eyes but are not striped? 15 Total -10 Striped cats 5 With green eyes and no stripes