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2 votes
-2√7 rational or irrational?

2 Answers

5 votes

The sqrt(7) part makes it irrational, so the answer is irrational.

User Raghav Sharma
by
8.9k points
1 vote

Answer


-2\sqrt 7
\text {is an irrational number}


Explanation


-2\sqrt 7 is an irrational number, an irrational number is a number that contains repeating decimals or that cannot be written as a simple fraction.

User Snug
by
8.3k points
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