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MathsWatch marking answers as wrong when they are clearly correct Watch

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    I just realised I spelt triangle wrong but still got the mark... seriously mathswatch...
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    Thanks everyone
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    Thanks everyone. PRSOM (I only just found out what that means). I will speak to my teacher next lesson and ask for no more proofs on mathswatch lol.
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    I think that is enough mathswatch for one day...
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    (Original post by Loci Pi)
    Thanks everyone. PRSOM (I only just found out what that means). I will speak to my teacher next lesson and ask for no more proofs on mathswatch lol.
    I suppose since you've already got an A^ in further maths, your teacher is giving you the even bigger challenge of getting 100% on a set of MathsWatch proof exercises
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    (Original post by Notnek)
    PRSOM I doubt many people would have had the patience to help Loci Pi get to 100%.
    I sensed and shared the frustration of a poor system
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    (Original post by Notnek)
    I suppose since you've already got an A^ in further maths, your teacher is giving you the even bigger challenge of getting 100% on a set of MathsWatch proof exercises
    Probably! The mathswatch proofs were definitely harder.
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    Can anyone help me with this one please??

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    (Original post by blueberrypi)
    Can anyone help me with this one please??

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    Try expanding the brackets out fully (for example x^2 +5x +5x +25 then simplifying)

    Try adding a new sentence at the end (Hence [insert expression from the beginning] is a multiple of 4 for all positive integer values of n)

    If the question says multiple, use the word multiple in your answer. If the question says divisible, use the word divisible in your answer. MathsWatch is fussy like that.

    Good luck

    Edit: Also try removing words like simplify, you only need the algebra and the sentences at the end I think.
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    (Original post by Loci Pi)
    Try expanding the brackets out fully (for example x^2 +5x +5x +25 then simplifying)

    Try adding a new sentence at the end (Hence [insert expression from the beginning] is a multiple of 4 for all positive integer values of n)

    If the question says multiple, use the word multiple in your answer. If the question says divisible, use the word divisible in your answer. MathsWatch is fussy like that.

    Good luck

    Edit: Also try removing words like simplify, you only need the algebra and the sentences at the end I think.
    Thanks It's still not working so I think I will just have to explain to my teacher tomorrow.
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    (Original post by blueberrypi)
    Can anyone help me with this one please??

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    Maybe try using the difference of two squares instead.

    (n+5)^2 - (n+3)^2

    = (n + 5 + n + 3)(n + 5 - n - 3)
    = (2n+8)(2)
    = 4(n+4)
 
 
 
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