Question

What set of numbers does -square roo of 25  belong to?
a. Irrational
b. Rational, Integers
c. Rational, Whole Numbers, Integers
d. Rational, Natural Numbers, Whole Numbers, Integers

Answer 1

\(\large\color{slate}{ -\sqrt{25} }\) is same as \(\large\color{slate}{ -5 }\).

Answer 2

what is \(\sqrt{25}=\)?

Answer 3

5

Answer 4

note \(-5=\frac{-5}{1}\) and \(-5,1\in \mathbb{Z}\)

Answer 5

a rational number is a number that CAN be written as a fraction of two integers
an irrational numbers is a number that CAN'T be written as a fraction of two integers
whole numbers are 0,1,2,3,4.....
natural numbers 1,2,3,4,5....
integers ....-3,-2,-1,0,1,2,3,....

Answer 6

so what's the answer?

Answer 7

transcendental?

Answer 8

lol jk

Answer 9

numbers that are not roots of polynomials in \(\mathbb{Z}[x]\)

Answer 10

or equivalently in \(\mathbb{Q}[x]\)

Answer 11

interger

Answer 12

@zzr0ck3r

Answer 13

yes, its an integer, but its also a rational number because -5=-5/1, it is NOT natural because natural numbers are positive, it is not whole, because whole numbers are either positive or 0

Answer 14

it is NOT irrational because its rational

Answer 15

and for @dan815 it is algebraic ;)