You are Here: Home >< Maths

Needed help with completing the square watch

1. Express y = x^2-6x+15 in the form y = (x-p)^2+q
2. In general

3. (Original post by Bethanyt5560)
Express y = x^2-6x+15 in the form y = (x-p)^2+q
x^2-6x+15 = x^2-6x+9+6 = (x-3)^2+6.
4. (Original post by Bethanyt5560)
Express y = x^2-6x+15 in the form y = (x-p)^2+q
This is a very standard 'complete the square' question. You should probably check a textbook/online/your teacher to learn how to do this.

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: March 3, 2016
Today on TSR

Are exams rubbish?

Is the exam system out of date?

University open days

• University of Chichester
Thu, 25 Oct '18
• Norwich University of the Arts
Fri, 26 Oct '18
• University of Lincoln
Sat, 27 Oct '18
Poll
Useful resources

Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

How to use LaTex

Writing equations the easy way

Study habits of A* students

Top tips from students who have already aced their exams

Chat with other maths applicants