Still have questions?

Continue Learning about Algebra

No. 19 is a prime number, and all prime numbers have irrational roots.

Rational , because it can be converted to a fraction. 7.76 = 7 76/100 = 7 38/50 = 7 19/25 NB Irrational numbers cannot be converted tpo a quotient. 'pi = 3.1415936.... ' it the most famous irrational number. When you are given pi = 3.14' in school , this is only an approximation.

Yes, they are.

-- Any number that you can completely write down using digits, and a decimal point or fraction bar if needed, is rational. -- A rational number is defined as one that can be written as a fraction using whole numbers. -19 can be written as the fraction -19/1 .

A mathematical approach:Yes they are. Irrational Numbers are very real, for example - the square root of two - which is irrational (but can be plotted in a number line without difficulty with a compass and straight edge). All numbers you can think of (even if you cant white them out) are real numbers.They are real, but they can't be expressed as fractions.A philosophical approach:According to ME, there should be a limit. If there is a number which is not ending, we can't say that it is a number because it has not ended yet, its not a complete number. That's why, any number which is not ending is not a number, so irrational numbers and some rational numbers are not numbers and we can't plot them on real line, no matter how much depth we are into it. If there is a number 1.0000... (100 million 0's) ...1, we can plot it by dividing real line into required many parts but we cant plot a number like 1.1111....1111....(up to, we don't know), actually that's not a number yet.Maths should be changed.

Related questions

It is a whole number so it is rational.

1.2667

The square root of the prime number 19 is an irrational number

It is a rational number because it can be expressed as a fraction in the form of -19/1

It is a whole number so it is rational.

No. √19 is an irrational number.

-19 is a rational number, since it can be expressed in fraction form (-19/1).

Yes because all fractions are rational numbers whereas irrational numbers can't be expressed as fractions.

No because 19 is a whole number which means that it is a rational number

3.8 is a rational number because it can be expressed as a fraction in the form of 19/5

The number 19, like all integers, is a rational number. Only certain types of decimal expansions can be irrational.

No. 19 is a prime number, and all prime numbers have irrational roots.