💬 👋 We’re always here. Join our Discord to connect with other students 24/7, any time, night or day.Join Here!

ag

# Describe in words the region of $\mathbb{R}^3$ represented by the equation(s) or inequality.$x^2 + y^2 + z^2 \le 4$

## This region contains all points on and inside a sphereThe radius of the sphere is 2 and centre is at origin

Vectors

### Discussion

You must be signed in to discuss.
##### Kristen K.

University of Michigan - Ann Arbor

##### Samuel H.

University of Nottingham

Lectures

Join Bootcamp

### Video Transcript

right. So what is this region where we can see that this is a spear, and the radius is for? And this inequality means that since it's less than or equal to, So that means it could be on the surface of the sphere or inside the sphere. Okay, so everything on an inside the surface of a sphere. And I'm sorry, this is with the radius to

ag

#### Topics

Vectors

##### Kristen K.

University of Michigan - Ann Arbor

##### Samuel H.

University of Nottingham

Lectures

Join Bootcamp