In Numbers

# Does an irrational number multiplied by an irrational number equal an irrational number?

The product of two irrational numbers may be rational or irrational. For example, sqrt(2) is irrational, and sqrt(2)*sqrt(2) = 2, a rational number. On the other hand, (2^(1/4 (MORE)
In Numbers

# What is an irrational number?

Irrational numbers are numbers that cannot be expressed as fractions with whole numbers. They are generally roots (such as the square root of two) or constants (such as pi and (MORE)
In Numbers

# Can an irrational number divided by an irrational number equals a irrational number?

Yes, an irrational number divided by an irrational number will usually be an irrational number, but not always. For example, pi / (3pi) is 1/3, which is a rational number, but (MORE)
In Numbers

# Is the product of two irrational numbers always an irrational number?

    No. The square root of two is an irrational number. If you multiply the square root of two by the square root of two, you get two which is a rational number.
In Numbers

# What are irrational numbers?

Numbers that can't be expressed as fractions    An irrational number is any real number that cannot be expressed as  a ratio a/b, where a and b are  integers, with b (MORE)
In Numbers

# Is the product of two irrational numbers irrational?

  Sometimes it is and sometimes it isn't. The square root of 2 and the square root of 3 are both irrational, as is their product, the square root of 6. The square root of (MORE)

# Is the sum of three irrational numbers an irrational number?

  Yes, but not always. An easy example is sqrt(2) + sqrt(2) + sqrt(2) = 3sqrt(2), an irrational number. An easy counterexample is 2sqrt(2) + -sqrt(2) + -sqrt(2) = 0, w (MORE)
In Numbers

# Can a real number be an irrational number?

It certainly can! All irrational numbers (numbers that can't be written as fractions, and in decimal form go endlessly without a pattern) are real (not divided by zero and not (MORE)
In Numbers

# How irrational and rational numbers different?

Rational numbers can be expressed as one integer over another integer (a "ratio" of the two integers) whereas irrational numbers cannot. Also, the decimal representation of (MORE)
In Numbers

# Is -2.15 an irrational number?

if the number keeps going its irrational if it doesnt it is rational, i think