Math + Harry Potter = ?

[Nìwotxkrr Tìyawn]

[DJ Makto]

 

While I do see some humor in the picture. I would be scared for the future of the world if that was a serious answer.

[Eana Tanhì]

hrh I hope this wasn't a serious answer too ma DJ

[Txantslusam Skxawng]

I think that is... I know the Dutch word for it... the 'basis'

[Ftxavanga Txe′lan]

Hm, I'm sure I must have learnt the name of that doted line at some point, but it seems oddly remote now.. hrh

I find that HP answer kinda cool! Someone who writes this in an exam must probably fail it, though.

['Oma Tirea]

Spoiler: real answer

Median, altitude, angle bisector, or most likely, perpendicular bisector

Serious fail there q;

[Sіr. Ηaxalot]

If you don't know the answer, make up something funny, especially if you're teacher is a redditor

.. or maybe (s)he gave that answers just because the layout were so perfect ^^

[archaic]

Not just the answers that can be wrong .....

Spoiler

http://www.bbc.co.uk/news/education-13703441

[Kamean]

Interesting