No. Irrational Numbers are numbers which cannot be expressed as a fraction p/q where p and q are integers. Because 15 can be expressed as 15/1, it is not irrational. It is actually a rational number and an integer.
It is a negative number. It is also rational because it can be written as -15 / 1
No, because 1.5 is a rational number that can also be expressed as a fraction.
No, because it can be expressed as a fraction: 15/1.
irrational
It is not irrational but it is all of the others.
No because 15 times pi is an irrational number
No, it is not. And it is not irrational either.
Yes
irrational
15 is a rational number
It is not irrational but it is all of the others.
rational
The square root of 15 is an irrational number and it is about 3.873 rounded to three decimal places
No because 15 times pi is an irrational number
Yes
No, it is rational.
No, it is not. And it is not irrational either.
The square root of 15 is an irrational number
7.5
The square root of 225 is 15, which is NOT an irrational number.