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anonymous

  • one year ago

Simplify: (−12x3y4 + 18x2y3 + 6x2y2) ÷ 6x2y2 A. –2xy2 + 1 B. 2x2y – 3y C. 3y – 2xy D. –2xy2 + 3y + 1

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  1. anonymous
    • one year ago
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    @mathmate

  2. anonymous
    • one year ago
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    Do you know how to set this question up?

  3. anonymous
    • one year ago
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    no, I don't remember how to

  4. anonymous
    • one year ago
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    Basically, what you want to do is divide each term, let's break it up, shall we?

  5. anonymous
    • one year ago
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    let's start with the 12x^3y^4

  6. anonymous
    • one year ago
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    okay

  7. anonymous
    • one year ago
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    |dw:1433257487173:dw| do you know how to divide when exponents are present?

  8. anonymous
    • one year ago
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    no, I don't... can you help me?

  9. anonymous
    • one year ago
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    What I like to do, which I find way easier, is to expand the equation

  10. anonymous
    • one year ago
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    expand?

  11. anonymous
    • one year ago
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    |dw:1433257617181:dw| make sense?

  12. anonymous
    • one year ago
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    yeah, it does.

  13. anonymous
    • one year ago
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    Alright, so when there are exponents, you don't divide the exponent, you subtract like so:

  14. anonymous
    • one year ago
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    |dw:1433257735983:dw|

  15. anonymous
    • one year ago
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    are we done with that part?

  16. anonymous
    • one year ago
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    yes?

  17. anonymous
    • one year ago
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    Not yet, we still need to divide the numbers. When there are numbers you must divide those.

  18. anonymous
    • one year ago
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    |dw:1433257824952:dw|

  19. anonymous
    • one year ago
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    okay, that makes sense

  20. anonymous
    • one year ago
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    That's the first part. Do you know how to finish the rest of it? or would you like another example?

  21. anonymous
    • one year ago
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    another example please

  22. anonymous
    • one year ago
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    Alright

  23. anonymous
    • one year ago
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    18x^2y^3 ÷ 6x2y2

  24. anonymous
    • one year ago
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    |dw:1433257935571:dw|

  25. anonymous
    • one year ago
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    What are you to do here?

  26. anonymous
    • one year ago
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    you would subtract the exponents

  27. anonymous
    • one year ago
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    |dw:1433258032152:dw| are we done?

  28. anonymous
    • one year ago
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    no, we need to divide

  29. anonymous
    • one year ago
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    |dw:1433258076996:dw|

  30. anonymous
    • one year ago
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    the answer is going to be D, correct?

  31. anonymous
    • one year ago
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    Let's finish the equation, just to make sure do you think you can do this last one on your own?

  32. anonymous
    • one year ago
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    I think so, i'll put what I do on here to see if I make a mistake.

  33. anonymous
    • one year ago
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    Okay (:

  34. anonymous
    • one year ago
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    |dw:1433258240683:dw|

  35. anonymous
    • one year ago
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    You've got the hang of it

  36. anonymous
    • one year ago
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    |dw:1433258320306:dw|

  37. anonymous
    • one year ago
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    Good good

  38. anonymous
    • one year ago
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    |dw:1433258478318:dw|

  39. anonymous
    • one year ago
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    Good job!

  40. anonymous
    • one year ago
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    thank you for your help!

  41. anonymous
    • one year ago
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    You're so welcome (:

  42. anonymous
    • one year ago
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    Any other questions?

  43. anonymous
    • one year ago
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    1 more, if you don't mind.

  44. anonymous
    • one year ago
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    Sure!

  45. anonymous
    • one year ago
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    i'll post it on here.. gimmie a sec.

  46. anonymous
    • one year ago
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    Okay (:

  47. anonymous
    • one year ago
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    Actually can you repost the question and tag me. Close this one

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