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ahoymewmew Group Title

can someone help me with radicals? please :(

  • one year ago
  • one year ago

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  1. Calle87 Group Title
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    hey

    • one year ago
  2. ahoymewmew Group Title
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    hello @Calle87

    • one year ago
  3. Calle87 Group Title
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    question?

    • one year ago
  4. ahoymewmew Group Title
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    its this. @Calle87

    • one year ago
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  5. christiano123 Group Title
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    okay whats the question

    • one year ago
  6. ahoymewmew Group Title
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    its in the attachment. @christiano123

    • one year ago
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  7. Calle87 Group Title
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    ok, so i have row d done

    • one year ago
  8. Calle87 Group Title
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    \[\sqrt{18}+2\sqrt{75}-\sqrt{48}\]

    • one year ago
  9. ahoymewmew Group Title
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    okay c: @Calle87 thanks.

    • one year ago
  10. Calle87 Group Title
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    so with radicals you can simplify each one by splitting them into smaller radicals

    • one year ago
  11. Calle87 Group Title
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    \[\sqrt{18}=\sqrt{9}\sqrt{2}=3\sqrt{2}\]

    • one year ago
  12. ahoymewmew Group Title
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    like the square root of 18, is a decimal so you break it down and use a number that equals to 18 like 9x2 and since its still big you can simplify 9x3? @Calle87

    • one year ago
  13. Calle87 Group Title
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    \[2\sqrt{75}=2(\sqrt{25})(\sqrt{3})=2(5)\sqrt{3}=10\sqrt{3}\]

    • one year ago
  14. Calle87 Group Title
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    ya see what i did?

    • one year ago
  15. Calle87 Group Title
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    \[\sqrt{9}\sqrt{2}\]

    • one year ago
  16. Calle87 Group Title
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    whats the square root of 9?

    • one year ago
  17. ahoymewmew Group Title
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    3 @Calle87

    • one year ago
  18. ahoymewmew Group Title
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    so 2 cant be simplified but 9 can oh i see

    • one year ago
  19. Calle87 Group Title
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    ya they dont want decimals

    • one year ago
  20. Calle87 Group Title
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    you want the largest possible square root with the smallest

    • one year ago
  21. Calle87 Group Title
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    ie 9 and 2 for 18

    • one year ago
  22. ahoymewmew Group Title
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    aha i just dont understand the last one were it has y @Calle87

    • one year ago
  23. Calle87 Group Title
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    ok so the last one,

    • one year ago
  24. ahoymewmew Group Title
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    yea @Calle87 the y's confuse me with the exponents.

    • one year ago
  25. Calle87 Group Title
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    \[3(\sqrt{2y})(\sqrt{y^2})\]

    • one year ago
  26. Calle87 Group Title
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    \[\sqrt{2y^3}=\sqrt{2y}\sqrt{y^2}\]

    • one year ago
  27. Calle87 Group Title
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    see what i did?

    • one year ago
  28. ahoymewmew Group Title
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    and what if there is a number on the outside of the sqrt and one on the inside? do you just bring the outside one down and fin the sqrt of the inside? @Calle87

    • one year ago
  29. Calle87 Group Title
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    \[3(\sqrt{2y})(\sqrt{y^2})\]

    • one year ago
  30. Calle87 Group Title
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    what is the square root of y^2?

    • one year ago
  31. ahoymewmew Group Title
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    is it y?

    • one year ago
  32. Calle87 Group Title
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    yes!! :)

    • one year ago
  33. Calle87 Group Title
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    \[3(\sqrt{2y})(y)\]

    • one year ago
  34. Calle87 Group Title
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    \[3y \sqrt{2y}\]

    • one year ago
  35. Calle87 Group Title
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    first expression is simplified

    • one year ago
  36. Calle87 Group Title
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    can you do the 2nd?

    • one year ago
  37. ahoymewmew Group Title
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    oh i get it is the second one A? i think it is c: @Calle87

    • one year ago
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  38. Calle87 Group Title
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    of the last row

    • one year ago
  39. ahoymewmew Group Title
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    the last one? @Calle87

    • one year ago
  40. Calle87 Group Title
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    it is c

    • one year ago
  41. Calle87 Group Title
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    the second one is C

    • one year ago
  42. Calle87 Group Title
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    the last row is E

    • one year ago
  43. Calle87 Group Title
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    fourth row is D

    • one year ago
  44. ahoymewmew Group Title
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    oh i thought it was a because of the 3 and the 4 sqrt

    • one year ago
  45. Calle87 Group Title
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    what are you asking?

    • one year ago
  46. ahoymewmew Group Title
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    because i saw the second one say 3y sqrt 4y and i thought it was the first one because it said 3 sqrt 2 because 4's sqrt is 2.

    • one year ago
  47. Calle87 Group Title
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    so you are having problems with the second row?

    • one year ago
  48. ahoymewmew Group Title
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    no i got an a c: thanks :D

    • one year ago
  49. Calle87 Group Title
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    ok, so no more?

    • one year ago
  50. ahoymewmew Group Title
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    yea no more thanks :D i understand them now c:

    • one year ago
  51. Calle87 Group Title
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    cool! great job @ahoymewmew

    • one year ago
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