They are -1.4337 and +1.4337.
Incidentally, 119/18 is a bizarre way of writing a number!
Divide the number by nineteen. If the answer is a whole number, then the number is divisible.
Yes, it is.
18 / 5 does not equal a whole number.
A perfect square is a rational number equal to the square of a whole number.
418: four hundred eighteen
When the whole number is a perfect square, ie it is a whole number squared.
3,018,000,011
The square root of 15 is not a whole number.
19
if its square root is a whole number
The whole number closest to the square root of 65 is 8. The whole number closest to the square root of 65 is 8.
The square of every positive or negative even whole number is a positive even whole number. The square of every positive or negative odd whole number is a positive odd whole number. There are an infinite number of each kind.