You are Here: Home >< Maths

# MATHSSS watch

1. The gradient of a cute. Is dy/dx =x^2-4
a) find the x coordinate of the maximum point
2. At the maximum (or minimum) point, the gradient is zero. That allows you to find the x-cordinate.

To find the corresponding y cordinate you need the equation of the curve itself.
3. (Original post by phys981)
At the maximum (or minimum) point, the gradient is zero. That allows you to find the x-cordinate.

To find the corresponding y cordinate you need the equation of the curve itself.
(Original post by slaybae)
The gradient of a cute. Is dy/dx =x^2-4
a) find the x coordinate of the maximum point
Just to add, the maximum point will have a negative second differential.

### Related university courses

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 2, 2018
The home of Results and Clearing

### 2,098

people online now

### 1,567,000

students helped last year
Today on TSR

### IT'S TODAY!

A-level results chat here

### University open days

1. Bournemouth University
Fri, 17 Aug '18
2. University of Bolton
Fri, 17 Aug '18
3. Bishop Grosseteste University
Fri, 17 Aug '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