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anjum1 Group Title

whose product is+15 and whose sum is -8???

  • one year ago
  • one year ago

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  1. erdog82 Group Title
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    Ok, so when you multiply two negatives it equals a positive, right?

    • one year ago
  2. anjum1 Group Title
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    yeh

    • one year ago
  3. erdog82 Group Title
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    So, then how do you get 15 when multiplying 2 negative numbers?

    • one year ago
  4. anjum1 Group Title
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    no that is the question

    • one year ago
  5. erdog82 Group Title
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    Okay, how do you get 15 when multiplying 2 positive numbers?

    • one year ago
  6. anjum1 Group Title
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    5*3

    • one year ago
  7. erdog82 Group Title
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    So, since a negative times a negative is a positive, what are the numbers now?

    • one year ago
  8. anjum1 Group Title
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    thank you

    • one year ago
  9. erdog82 Group Title
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    Your welcome! ☺

    • one year ago
  10. erdog82 Group Title
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    And so, -5x-3= 15 and -3+-5= -8 !!

    • one year ago
  11. erdog82 Group Title
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    Is that all you need help with?

    • one year ago
  12. anjum1 Group Title
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    whose product is -6 and whose sum is +1

    • one year ago
  13. anjum1 Group Title
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    3*2

    • one year ago
  14. anjum1 Group Title
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    thanks you done it again

    • one year ago
  15. erdog82 Group Title
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    okay, so if you want those 2 numbers to have a sum of 1, which number do you turn negative?

    • one year ago
  16. anjum1 Group Title
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    2

    • one year ago
  17. erdog82 Group Title
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    good!

    • one year ago
  18. erdog82 Group Title
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    so -2x3 = -6 and -2+3 = 1

    • one year ago
  19. anjum1 Group Title
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    whose product is -12 and whose sum is -4

    • one year ago
  20. erdog82 Group Title
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    How can you get 12 when multiplying 2 positive numbers?

    • one year ago
  21. anjum1 Group Title
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    3*4

    • one year ago
  22. erdog82 Group Title
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    well, that and 2x6

    • one year ago
  23. anjum1 Group Title
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    thanks

    • one year ago
  24. erdog82 Group Title
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    So, which number do you turn negative to get a sum of -4?

    • one year ago
  25. anjum1 Group Title
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    -6

    • one year ago
  26. erdog82 Group Title
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    Good!

    • one year ago
  27. anjum1 Group Title
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    whose product is -12 and whose sum is -4

    • one year ago
  28. anjum1 Group Title
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    sorry wrong one

    • one year ago
  29. anjum1 Group Title
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    whose product is -16 and whose sum is 0

    • one year ago
  30. erdog82 Group Title
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    How do you get 16 when multiplying 2 positive numbers (that are the same) ?

    • one year ago
  31. anjum1 Group Title
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    4

    • one year ago
  32. anjum1 Group Title
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    thank you

    • one year ago
  33. erdog82 Group Title
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    Now you need to make 1 negative, and if you add -4 +4 what do you get?

    • one year ago
  34. anjum1 Group Title
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    0

    • one year ago
  35. anjum1 Group Title
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    what about 4-4

    • one year ago
  36. erdog82 Group Title
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    0

    • one year ago
  37. anjum1 Group Title
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    okay thank you but it says sum doesnt that matter

    • one year ago
  38. erdog82 Group Title
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    Sum is addition!

    • one year ago
  39. erdog82 Group Title
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    So it doesn't matter, but adding a negative is like subtracting a positive!

    • one year ago
  40. anjum1 Group Title
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    doesnt it not count as minus (because i heard my teacher say something like that)

    • one year ago
  41. anjum1 Group Title
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    okay

    • one year ago
  42. anjum1 Group Title
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    okay next q

    • one year ago
  43. erdog82 Group Title
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    What grade are you learning this in?

    • one year ago
  44. anjum1 Group Title
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    9

    • one year ago
  45. anjum1 Group Title
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    in the uk

    • one year ago
  46. erdog82 Group Title
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    Okay

    • one year ago
  47. erdog82 Group Title
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    What is that equivalent to in the us?

    • one year ago
  48. anjum1 Group Title
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    |dw:1362327623653:dw| +5x +6

    • one year ago
  49. erdog82 Group Title
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    Huh?

    • one year ago
  50. anjum1 Group Title
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    i dont know

    • one year ago
  51. anjum1 Group Title
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    |dw:1362327701244:dw|

    • one year ago
  52. anjum1 Group Title
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    factorrise

    • one year ago
  53. erdog82 Group Title
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    I don't know what your asking, please copy the question directly ☺

    • one year ago
  54. anjum1 Group Title
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    x squared +5x+6

    • one year ago
  55. erdog82 Group Title
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    What do you need to do with it?

    • one year ago
  56. anjum1 Group Title
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    factorise

    • one year ago
  57. erdog82 Group Title
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    okay.

    • one year ago
  58. erdog82 Group Title
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    http://www.mathsisfun.com/algebra/factoring.html read this, it may help you understand it better!

    • one year ago
  59. erdog82 Group Title
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    Did you read it?!

    • one year ago
  60. anjum1 Group Title
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    yes

    • one year ago
  61. erdog82 Group Title
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    Did it help?

    • one year ago
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