for K=9 i differentiated the equation and ended up getting (3,0) as a turning point. After substituting that in for y and x of the original equation and rearranging I came out with k= 9. It that the right method?
I think I did something similar. I differentiated and found that the stationary points were at -1 and 3. I then differentiated to find the gradient of the tangent to the curve at the point (0,k), and got -3. Therefore I also found that the tangent met the curve again at the point (3,0). I then substituted that into the formula y-y₁=m(x-x₁) to get k = 9
I think I did not as well in this paper than past papers, aiming now for an A* maybe there is the possibilities that I can get an A*^, I think we shouldn't worry too much about this. The calculator paper offers much more marks and we have much more revision time, well for me that is!
I think I did not as well in this paper than past papers, aiming now for an A* maybe there is the possibilities that I can get an A*^, I think we shouldn't worry too much about this. The calculator paper offers much more marks and we have much more revision time, well for me that is!
The grade boundaries are also higher. The more marks, the more likely we are to make mistakes - this is definitely my case. Anyway, I guess your right lool let's just forget it and think about Friday, for which we will actually revise and not 'wing' it.
Yeah I am doing further - probably shouldn't as apparently I can't expand cubic brackets properly but oh well 😂😂 Thank you. Are you sitting exams or are you beyond that?
Eyy! I think I got that too lool. The problem is, I spent 30 minutes on that question - I got it wrong 3-4 times lol idk if I'll get any marks.
Well surely if you got the right answer you should at least get some marks, if not all. Usually if they see the correct answer, even with no working, they award full marks - maybe not for proof questions though. I kept getting the last one wrong as I kept writing (3n)² as 3n²...god I am dim sometimes haha
Well surely if you got the right answer you should at least get some marks, if not all. Usually if they see the correct answer, even with no working, they award full marks - maybe not for proof questions though. I kept getting the last one wrong as I kept writing (3n)² as 3n²...god I am dim sometimes haha
Lol, don't worry. At least you didn't read 4 questions incorrectly, so you're on the safe side!
I know - I realised after 10 minutes of staring confusedly at it wondering why I was getting w as n rather than 3n Oh no! What happened?
I don't know. I always revise for the exam 2 hours before at 10:00 night and then I end up revising till 1:00 but only do 1 hour out of the 3 hours -_- and then wake up early alongside with sleeping late. Too tired - such a lazy guy, don't even bother reading the questions properly because I can't be asked. Idk I'm like the biggest idiot - who doesn't read questions lol. I am officially the biggest retard. Hence why, I have to change proper.