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Answer Key 1.2

  1. 4212∇⋅66=72
  2. 2520∇⋅55=54
  3. 3525∇⋅55=75
  4. 248∇⋅88=3
  5. 5436∇⋅99=64∇⋅22=32
  6. 3024∇⋅66=54
  7. 4536∇⋅99=54
  8. 3627∇⋅99=43
  9. 2718∇⋅99=32
  10. 4818∇⋅66=83
  11. 4016∇⋅88=52
  12. 4842∇⋅66=87
  13. 6318∇⋅99=72
  14. 1612∇⋅44=43
  15. 8060∇⋅2020=43
  16. 7248∇⋅1212=64∇⋅22=32
  17. 7260∇⋅1212=65
  18. 126108∇⋅99=1412∇⋅22=76
  19. 9⋅89=8
  20. −2−1⋅−563=53
  21. 2⋅−29=−49
  22. −2⋅13=−23
  23. −2−1⋅1384=−134
  24. 32⋅12=34
  25. −635⋅−1184=3320
  26. −37⋅−118=3356
  27. 84⋅121=4
  28. −2⋅−97=187
  29. 2131⋅3142=12
  30. −1793⋅−315=1715
  31. 21⋅321=3
  32. 1793⋅−315=−1715
  33. 12⋅−75=−710
  34. 12⋅57=514
  35. 512⋅−051=−02 or 0
  36. 60⏟undefined⋅67=no solution
  37. −2⋅47=−87
  38. −1247⋅−593=2021
  39. −19⋅−21=29
  40. −2⋅−23=43
  41. −32⋅713=−2126
  42. 53⋅57=2521
  43. −1⋅32=−32
  44. 1059⋅−163=−527
  45. 89⋅51=409
  46. 162⋅−315=−110
  47. −97⋅51=−457
  48. −1381⋅−8115=1315
  49. −29⋅−23=427
  50. −45⋅−813=3265
  51. 1105⋅213=115
  52. 5131⋅3151=1
  53. 13−43=−33 or −1
  54. 17−117=−107
  55. 37−17=27
  56. 13+53=63 or 2
  57. 116+76=186 or 3
  58. −2−158⇒−168−158=−318
  59. 35+54⇒1220+2520=3720
  60. −1−23⇒−33−23=−53
  61. 25+54⇒820+2520=3320
  62. 127−97=37
  63. 98−27⇒6356−1656=4756
  64. −2+56⇒−126+56=−76
  65. 1−13⇒33−13=23
  66. 12−116⇒36−116=−86 or −43
  67. −12+32=22 or 1
  68. 118−122⇒12188−488=11788
  69. 15+34⇒420+1520=1920
  70. 65−85=−25

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Intermediate Algebra (Convert to MathJax) Copyright © 2020 by Terrance Berg is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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