Question

How do I write this in interval notation?
|x|>-3

Answer 1

@ganeshie8

Answer 2

First, solve the inequality.
Let's think about it.
What is the absolute value of 0 ?

Answer 3

well i think the answer is \[(-\infty,\infty)\]

Answer 4

that means you're not sure ? :P

Answer 5

You are correct.
Since the absolute value of any number is greater than or equal to zero, then it certainly is greater than -3. That means the solution is all real numbers.

Answer 6

That is the correct interval notation for all real numbers.

Answer 7

Well I just have a hard time with these problems @ganeshie8 so I needed help and wanted to check :) I appreciate your help @mathstudent55 I understand a little bit more now

Answer 8

You're welcome.