The Student Room Group

a level maths circle question

hi guys. just needing help


the way the markscheme wanted me to answer question B is by subsitution. im just wondering as why i couldnt just make the Y's equal eachother and do it that way? like how come it just gives me a completley different answer

i will post my problem in the comments because i cant find the picture button

Reply 1

Original post
by yoomelanie06
hi guys. just needing help
the way the markscheme wanted me to answer question B is by subsitution. im just wondering as why i couldnt just make the Y's equal eachother and do it that way? like how come it just gives me a completley different answer
i will post my problem in the comments because i cant find the picture button

Post the specific question (image or text) and what you did. Someone will come along to help :smile:

Reply 2

Original post
by yoomelanie06
hi guys. just needing help
the way the markscheme wanted me to answer question B is by subsitution. im just wondering as why i couldnt just make the Y's equal eachother and do it that way? like how come it just gives me a completley different answer
i will post my problem in the comments because i cant find the picture button

Just in case you still need guidance in uploading a picture/image.
TSR_upload_03.JPG
Press the button circled in blue to upload your image. 🙂

Quick Reply

How The Student Room is moderated

To keep The Student Room safe for everyone, we moderate posts that are added to the site.