ATAR Notes: Forum

VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Mathematical Methods CAS => Topic started by: happyy on February 16, 2022, 06:31:01 pm

Title: simultaneous equations
Post by: happyy on February 16, 2022, 06:31:01 pm

Heyy AN, was wondering whether anyone could help me out by providing working for this question, getting kind of confused here.
thanks

https://imgur.com/9iaqRSi

Title: Re: simultaneous equations
Post by: Golgi Apparatus on February 16, 2022, 08:37:38 pm

This is my attempt. I’m not sure if there is a better/quicker way to do this, but this is what makes the most sense to me.

https://imgur.com/a/KBpntcr

Title: Re: simultaneous equations
Post by: happyy on February 16, 2022, 09:36:31 pm

thanku so much, this helps!

Title: Re: simultaneous equations
Post by: ArtyDreams on February 16, 2022, 09:49:19 pm

Quote from: happyy on February 16, 2022, 09:36:31 pm

thanku so much, this helps!

hi! Golgi apparatus has given you a great solution! In case you're interested, I have also put the solution to the problem in terms of matrix methods. Let me know if you'd like me to explain this further :)

Title: Re: simultaneous equations
Post by: Pariz on February 18, 2022, 05:30:57 pm

Hey;

The solution already provided is correct - so I wont go through the steps again.
But if you want a video solution going through the steps of a similar question you can check it out here.

https://youtu.be/lWRV3Sjo86o

Hope it helps.