How do you find the square root of 16/121?

2 Answers
Mar 31, 2018

Answer:

#+-4/11#

Explanation:

#16" and " 121" are both " color(blue)"perfect squares"#

#"that is "16=4^2" and "121=11^2#

#"also "16=(-4)^2" and "121=(-11)^2#

#rArrsqrt(16/121)=+-4/11#

Apr 1, 2018

Answer:

#+-4/11#

Explanation:

We have the following

#sqrt(16/121)# which is equivalent to:

#=+-sqrt16/sqrt121#

Notice, the numerator and denominator are both perfect squares, that is, we get a integer as an answer. This evaluates to:

#+-4/11#

NOTE: The #+-# sign comes from the fact that when we take the square root of a number, we get a positive and a negative number.

Hope this helps!