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Thread: Help

  1. #1
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    Help

    Could someone help me with this question.












    Thank you
    Last edited by ridy; 18 Dec 2017 at 5:32 PM.

  2. #2
    water enthusiast captainhelium's Avatar
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    Re: Help

    Quote Originally Posted by ridy View Post
    Could someone help me with this question.

    mx + m^2 > nx + n^2 and m < n, which of the following is true.


    A) x > m + n

    B) x > m + n

    C) x > -m - n

    D) x < -m - n

    Thank you
    Idk if this is right but this is what I got:



















    Idk if did this correctly. Hopefully it's right!
    Last edited by captainhelium; 18 Dec 2017 at 2:37 PM.
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    Re: Help

    Quote Originally Posted by captainhelium View Post
    Idk if this is right but this is what I got:

















    Idk if did this correctly. Hopefully it's right!
    Thank you! I'm not sure that is the correct answer, but I'm pretty sure it is. However I am confused at this part of the working out.





    How did the change to ?

    PS: I did write the solution to A) incorrectly, I have fixed this.

  4. #4
    water enthusiast captainhelium's Avatar
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    Re: Help

    Quote Originally Posted by ridy View Post
    Thank you! I'm not sure that is the correct answer, but I'm pretty sure it is. However I am confused at this part of the working out.





    How did the change to ?

    PS: I did write the solution to A) incorrectly, I have fixed this.
    Oh oops, I forgot to do a certain step (taking the minus sign out). I've edited my last post. Sorry for this! I think it's D instead. Lol I'm kinda prone to silly mistakes.
    ridy likes this.
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  5. #5
    Cadet tazhossain99's Avatar
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    Re: Help

    Quote Originally Posted by captainhelium View Post
    I think it's D instead
    I can second this.
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