Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Which of the following is not an irrational number #5sqrt5#, #sqrt2#, #4sqrt4#, #4sqrt16#?

1 Answer

Apr 13, 2015

Both #sqrt(4)# and #sqrt(16# can be written as rational values
#sqrt(4) = 2#
and
#sqrt(16) = 4#
So both #4sqrt(4)# and #4sqrt(16)# are rational.

#5sqrt(5)# and #sqrt(2)# are both irrational.

Related questions

See all questions in Square Roots and Irrational Numbers

Impact of this question

6236 views around the world

You can reuse this answer
Creative Commons License