Prime numbers can't have whole number square roots, of course, but the largest prime number under 400 is 397.
20 is one of the two square roots of 400.
-15 15
A number multiplied by itself is the square of that number. The reverse procedure is the square root. You can get help for square roots from you teacher, a tutor, a student who understands square roots, etc.
There is no number that has more than two square roots.By definition, the "square" bit implies two.Every number has exactly:TWO square roots,THREE cube roots,FOUR quadratic roots,etc.
The two square roots of 400 are: 20 and -20.
20. * * * * * Sort of. ± 20 are the square roots (not rout!) of 400.
20 and -20
Prime numbers can't have whole number square roots, of course, but the largest prime number under 400 is 397.
20 is one of the two square roots of 400.
They are -20 and +20.
-15 15
Nine :) * * * * * Sort of. ± 9 are the square roots (not rout!) of 400.
A number multiplied by itself is the square of that number. The reverse procedure is the square root. You can get help for square roots from you teacher, a tutor, a student who understands square roots, etc.
300
-20 20
There is no number that has more than two square roots.By definition, the "square" bit implies two.Every number has exactly:TWO square roots,THREE cube roots,FOUR quadratic roots,etc.