Question

As for the decimal representation of both irrational and rational numbers, see Topic 2 of Precalculus. 5 or −5, because (−5)² = 25, also. We say however that the positive value 5 is the principal square root. That is, we say that "the square root of 25" is 5.

Answer 1

so would i put 25 down as rational or irrational

Answer 2

@MysticFury

Answer 3

As for the decimal representation of both irrational and rational numbers, see Topic 2 of Precalculus. 5 or −5, because (−5)² = 25, also. We say however that the positive value 5 is the principal square root. That is, we say that "the square root of 25" is 5. The square root of 8 is 64. It is rational