Mathswatch are streaming their videos on youtube after it kept crashing before paper one. Here is the link: https://www.youtube.com/user/MathsWatch/playlists So even if your school doesn't have access you can now, they are useful.
That specific question is in the pixl predicted paper
Oh okay, so it must like an extension paper then?. Honestly though, if you can prove that without being taught it in class (I don't know if the syllabus has changed since I've done it) then you're a G at maths dawg.
solve 3x^2-5x-1=0 give your solutions correct to 3 significant figures
I know it's easy, but I don't want to give you hard questions to stress you out before tomorrow haha
Quadratic formula, punch your numbers in, watch for minuses and then get your two answers. I would give the actual answer but I really can't be bothered to get my calculator.