MathsWatch marking answers as wrong when they are clearly correct Watch

Loci Pi
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#1
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For my MathsWatch homework assignment, MathsWatch has marked some of my answers, mainly proof questions, as incorrect when they are correct.
My homework average is currently 99% and I can't get it to 100% until the other questions are correct. Is there a different way I need to write my answers/proofs on MathsWatch? Has anyone else encountered this problem?

Thanks
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Loci Pi
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Please help
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Reversed Flash
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F12(Inspect element) and fiddle with the console, ie check if there is any errors. I can't really help you here because I don't use it .
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Loci Pi
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(Original post by Reversed Flash)
F12(Inspect element) and fiddle with the console, ie check if there is any errors. I can't really help you here because I don't use it .
Ok, thanks.
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artful_lounger
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Automated systems such as that tend to be much more sensitive to nomenclature differences and potential typos than hand marked work. Even just including or omitting a space somewhere can lead to it marking something as incorrect. This doesn't actually have any bearing on your ability to do maths, so I wouldn't worry too much about it. If there is a question you are getting marked incorrect but you're certain is correct, you can always ask on here, showing your working, if it is correct. This will ensure you are able to do the work you need to without worrying about computer errors.
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the bear
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99% is very good :dontknow:
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Loci Pi
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(Original post by artful_lounger)
Automated systems such as that tend to be much more sensitive to nomenclature differences and potential typos than hand marked work. Even just including or omitting a space somewhere can lead to it marking something as incorrect. This doesn't actually have any bearing on your ability to do maths, so I wouldn't worry too much about it. If there is a question you are getting marked incorrect but you're certain is correct, you can always ask on here, showing your working, if it is correct. This will ensure you are able to do the work you need to without worrying about computer errors.
Thanks, I will post the questions on here. The homework does not get sent to my teacher until it is 100% though.
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Loci Pi
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(Original post by the bear)
99% is very good :dontknow:
Thanks. I don't really care about the percentage but it needs to be 100% complete before it gets automatically sent to my teacher though.
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Loci Pi
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Name:  mathswatch 1.PNG
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I will post the rest of the working
Attached files
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Loci Pi
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Please let me know if I have made any silly mistakes or typos, thanks
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Sir Cumference
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(Original post by Loci Pi)
Name:  mathswatch 1.PNG
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I will post the rest of the working
That all looks fine. You haven't shown that b^2=49 \Rightarrow b = \pm 7 (and then discount the negative solution) but that won't be necessary on Mathswatch.

Also, please post maths questions in the maths forum in future
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Muttley79
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(Original post by Loci Pi)
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I will post the rest of the working
I wonder if it is looking for brackets in the - 2accos B bit?

-(2 x etc)
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kaleidosc.opic
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Wow, your homework is out of 538? Your teachers must love you :rolleyes:
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Loci Pi
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(Original post by Notnek)
That all looks fine. You haven't shown that b^2=49 \Rightarrow b = \pm 7 (and then discount the negative solution) but that won't be necessary on Mathswatch.

Also, please post maths questions in the maths forum in future
I just tried it but it still won't work! Thanks for trying though
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Loci Pi
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(Original post by carlafossil320)
Wow, your homework is out of 538? Your teachers must love you :rolleyes:
It was practise for the mock exam we have tomorrow. That was only for the grade 7 questions. We have one set of questions we have to complete for each grade in higher tier so out of about 3216 lol
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Loci Pi
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(Original post by Muttley79)
I wonder if it is looking for brackets in the - 2accos B bit?

-(2 x etc)
Thank you! It worked

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Sir Cumference
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(Original post by Loci Pi)
Thank you! It worked
Just in case you're not aware, your working was perfectly fine and Mathswatch should have accepted it. I'm glad you managed to sort it.
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Loci Pi
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Can anybody figure out what the problem with this is? It's the last grade 7 question I need to do
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Loci Pi
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(Original post by Notnek)
Just in case you're not aware, your working was perfectly fine and Mathswatch should have accepted it. I'm glad you managed to sort it.
Thanks
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kaleidosc.opic
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let the consecitive odd no.s be 2n+1 and 2n+3
(2n+1)^2= 4n^2+4n+1
(2n+3)^2= 4n^2+12n+9
(2n+3)^2 - (2n+1)^2
=8n + 8
Factorises to 8(n+1)
any number multiplied by 8 is a multiple of 8
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