Well, for example, the square root of 4 is 2, which is a rational number. As long as the number which is being square rooted is not a square number itself (i.e. 1, 4, 9, 16 etc.), then it will be irrational.
So.....
the square roots of 49, 100, 196, for example, are all rational numbers (7, 10 and 14 respectively.)
They do not have to be integers. The square of of any rational number automatically has a rational square root eg the square root of 77.41792 is 77.4179 . Rational means expressable as a ratio of integers: 77.4179 is 774179/10000 .
It is rational because it can be expressed as -516/100. An irrational number cannot be expressed as such. For example , PI is irrational.
It is an irrational number because it can't be expressed as a fraction.
It is an irrational number because it can't be expressed as a fraction
pi is an irrational number. It is irrational because it cannot be expressed as a ratio of two integers.
It is an irrational number because it can't be expressed as a fraction
No, because if need be it can be expressed as a fraction whereas irrational numbers can't be expressed as fractions.
It is a rational number because it can be expressed as a fraction
No because a rational number can also be expressed as a fraction whereas an irrational number can't be expressed as a fraction.
It is rational because it can be expressed as -516/100. An irrational number cannot be expressed as such. For example , PI is irrational.
It is an irrational number because it can't be expressed as a fraction.
It is an irrational number because it can't be expressed as a fraction
It is a rational number because it can be expressed as a fraction.
6.58 is a rational number because it can also be expressed as a fraction whereas irrational numbers can't be expressed as fractions.
No because 4.2 is a rational number that can also be expressed as a fraction whereas irrational numbers can't be expressed as fractions.
No because it can be expressed as a fraction
No because it can be expressed as a fraction
No because it can be expressed as a fractionNo it is not.