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SL Math Paper 2!

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I am pretty sure we can now discuss paper 2! D: 

 

SO guys, TZ 1 and TZ 2, what did you guys think? How did it go for y'all?

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Kind of hard, few questions were awful (Q10) but most of it was okay... I must say that until yesterday I thought I did extremely bad so now I got slightly more positive hahahahah

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Guys is it okay for the sequence question if I used the method of individually calculating the results? How many marks would I lose?

Edited by Che Guevara

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My whole class found this exam really hard! :( Most of us couldn't answer question 1 and 10, other than those there were only a couple parts that I didn't understand

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Question 10 was so incredibly hard! 
It was a really hard exam...we all found certain questions to be really difficult to approach. I actually hoped that paper 2 would help me save some things that happened in paper 1 what now im just scared. 

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Paper 2 TZ2 was rough, particularly questions 7 and, although I managed to do the first two parts, the 8 point part of question 10.. I'm almost sure the grade boundaries will be lower, the consensus among my classmates was that Paper 2 was much harder than some others we'd done in practice.

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TZ1/PAPER 2: the question with finding the coordinates of Q when P was given

lord jesus :/ 

I think for that question, you needed to find the intersection point on the calculator, that question was mostly, if not all about the calculator.

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sadly that question about Q and P was all on the calculator...and sadly i remembered how to solve it after i left the room. it was honestly really simple if you know how to do it on the calculator

Edited by alexianomikou

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TZ1/PAPER 2: the question with finding the coordinates of Q when P was given

lord jesus :/ 

I'm soooooo mad at myself!  :dash: I figure it out and there was like 30 seconds left AND I REALIZED I SWITCHED THE X AND Y VALUES WHEN FINDING THE COORDINATES OF Q so I got it wrong :bawling:

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In my class we couldn't solve the last two points of section B, The one of probability and the one that had the strange square triangle thingy. Did anyone else had that exam?

:(  -_-

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Paper 2 TZ2 (I think):

 

Didn't you guys hate the statistics question where it there was a standard distribution with (sigma)^2? It was so unnecessary.

 

sigma^2 is just the standard deviation squared, I thought this was the best question out of Section B tbh :P

what about the question with k and the two functions? did you get this one?

I tried solving it as both a quadratic and algebraically but got nothing, hoping for some method marks :D

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Paper 2 was hell, like seriously hell... :o  :mellow: the k queston just did not work, I used quadratic approach, but no...just no. Whole question 10 was also just no... :blink:

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what about the question with k and the two functions? did you get this one?

I  did it on my graphics calculator and i used the discriminant equation and i got that k < 0 thats all it needed for there to be two intersection points.

i first got that k =-3.2 but then I realized that anything below zero worked. :)

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