NO!!
Irrational Numbers are those where the decimal digits go to infinity AND there is no regular order in the decimal digits.
pi = 3.141592.... is the most well known irrational number.
as are the 'Square roots' od prime numbers;-#
sqrt(2) = 1.414213....
sqrt(3) = 1.73205...
sqrt(5) = 2.23606...
However,
such as numbers as
3.3333..... is NOT irrational, because the decimals are in regular order.
Similarly
2.373737....
or
5 .678678678....
Are NOT irrational because the decimals are in a regular order.
NB '....''' at the end of a decimal is the mathematical indication of recurring to infinity.
No. √324 = 18 = 18/1 = a rational number.
The sum of a rational and irrational number must be an irrational number.
No, 3.56 is not an irrational number. 3.56 is rational.
rational * irrational = irrational.
-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.
The square root of 18 is an irrational number because it cannot be expressed as a fraction.
It is neither because the square root of -18 is an imaginary number but the square root of 18 is irrational
Yes
It is a rational number
No. An irrational number cannot be expressed as a/b where a and b are integers, b not zero. 18 = 18/1 = 36/2 = -36/-2 etc.
No. √324 = 18 = 18/1 = a rational number.
irrational
18 and 20
sqrt(18) = 3*sqrt(2) is an irrational number.
No. It can be written as a fraction, so it is rational.
An irrational number.
As √10 is irrational, 18 + √10 is irrational.