Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational
numbers, and real numbers.
-$- \sqrt { 19 }$
A)irrational, real
B)rational, real
C)whole, real
D)integers, real

Question

Quizplus · Accepted Answer

$-\sqrt{19}$ is an irrational number because it cannot be expressed as a fraction of two integers, and it is a real number because it can be located on the real number line. It is not a natural number, whole number, integer, or rational number.

Tell Which Set or Sets the Number Belongs To: Natural −19- \sqrt { 19 }−19​

Tell Which Set or Sets the Number Belongs To: Natural $- \sqrt { 19 }$