sqrt 9 = +3 or 3
3 - 7 = -4
-3-7 = -10
the sum is an integer
Unless the integer is fractional it is not an irrational number.
No.
The number -1/2 is a rational number, a negative integer divided by a positive integer.
No. An irrational number is any number that is not a rational number; A rational number is any number that can be expressed as one integer over another integer. negative 3 over 4 is one integer (negative 3) over another integer (4), and so is a rational number.
The negative square root of 49 is -7. -7 is whole, integer, and rational number. It's not a natural or irrational number.
It is all of the except irrational.
It is all of them except for irrational.
It is a real number, a rational number, an integer.
It is a real rational negative integer number whose value is -3
There is no irrational number that is also an integer.
No integer is an irrational number; all integers are rational.
-2.5 is not an integer and it's not irrational.