How do you find the square root of 49?

1 Answer
Jul 22, 2016

Answer:

#sqrt49 = sqrt (7xx7) = sqrt 7^2 = 7#

Explanation:

The square root of a number is that number which, when multiplied by itself will equal the original number.

#4 xx 4 = 16 rArr 4^2 = 16# This means #sqrt16 = 4#

To find the square root of a number, find its prime factors.

#49 = 7xx7#

#sqrt49 = sqrt (7xx7) = sqrt 7^2 = 7#

(A square root can also be a negative number.)