177k views
8 votes
Which is an irrational number between -9 and -10?

Which is an irrational number between -9 and -10?-example-1
User Ahmad Alaa
by
5.8k points

2 Answers

8 votes

Answer:

-sqrt85

Explanation:

An irrational number is a number that cannot be written as fraction a/b where and b are integers

sqrt85 is simplified, and cannot be written as a/b with integers a and b, therefore -sqrt85 is irrational.

User Liborw
by
4.9k points
11 votes

Answer:

maybe -9.1666 top second one?

User Totte Karlsson
by
5.8k points