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March 26, 2017

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Posted by on .

are these answers right?
1. ã-121 =
iã11

2. -2ã-144 =
2iã144 =
2i*12=24i

3. ã-75 =
i=ã75 =
iã5sq*3 =
5iã3

4. 5ãã-27 =
5iã27 =
5iã3sq*3 =
15iã3


what about
5. ã-6 * ã2 = ??

  • algebra 2 - ,

    I will assume that your ã was supposed to come out as √

    I disagree with #2
    -2√-144
    = -2i√144
    = -2i(12)
    =-24i (you lost the negative sign)

    Also I will assume that in#4, the double square root was a typo
    If so, then the rest were correct.

  • algebra 2 - ,

    #5
    √-6√2
    = i√12
    = 2i√3

  • algebra 2 - ,

    yes to #4 i don't know how they symbols don't come out when i type them one way.

    Can you help with #5? I didn't get it.

    Thank you.

  • algebra 2 - ,

    sorry, i see #5 THANK YOU!

  • For a √ sign - ,

    If you are on a Mac...
    hold down the "Option" key and press V, then release to get the √
    There are a whole bunch of those shortcuts, like hold down the "Option" key, and press p to get π

    on a PC , I hold down the Alt key, and while holding it down, pres 251 on the number pad, then release. You should get a √ sign
    Again just like on a Mac, you can experiment with these on a PC to get different symbols
    e.g. try "Alt" 241 to get ±

  • algebra 2 - ,

    ±âˆš

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