WACE Stuff > Mathematics Stage 3
Maths 3A/3B
jamonwindeyer:
--- Quote from: anotherworld2b on September 08, 2016, 10:21:18 am ---Then would you do the same thing for Q13b?
--- End quote ---
Nope, 13B is the same as 13A :)
anotherworld2b:
Thank you very much for your help i finally understand q13. i was wondering for q14 if there was 4 triangles would you have the first matrix that is given being post multipled by the inverse of the 3rd matrix?
I tried q8 and got k=3 or k=-4
But the answer only has k=3?
I also tried q10 but i am not sure where to go
I have a test on matrices tomorrow and i was wondering what would you recommend I should memorise and what should be put on notes? Did you get matrix proofs?
--- Quote from: jamonwindeyer on September 08, 2016, 10:23:30 am ---Nope, 13B is the same as 13A :)
--- End quote ---
anotherworld2b:
Questions for ^
RuiAce:
--- Quote from: anotherworld2b on September 08, 2016, 07:24:44 pm ---Questions for ^
--- End quote ---
jamonwindeyer:
--- Quote from: anotherworld2b on September 08, 2016, 07:22:58 pm ---Thank you very much for your help i finally understand q13. i was wondering for q14 if there was 4 triangles would you have the first matrix that is given being post multipled by the inverse of the 3rd matrix?
I tried q8 and got k=3 or k=-4
But the answer only has k=3?
I also tried q10 but i am not sure where to go
I have a test on matrices tomorrow and i was wondering what would you recommend I should memorise and what should be put on notes? Did you get matrix proofs?
--- End quote ---
Hmm, not quite sure what you mean there, I'd have to see the question! :)
Question 8 dictates \(p>0\), which will exclude \(k=-4\) from your possibilities ;D
Good luck with your test tomorrow! I never did matrices at high school level, but my first year algebra course did have a bunch of matrix proofs in the final :) just relax and do the best you can, sure you'll smash it! ;D
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