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A rational number is one that can be expressed as a ratio of two integers, p/q where q > 0. In decimal form, it has a terminating or recurring representation.
An rational number is a number than cannot be expressed as a ratio of two integers. In decimal form, it has a infinitely long, non-recurring representation.
A square root can be either rational or irrational or neither.
Examples:
The square roots of 4 are -2 and +2, both rational.
The square roots of 2.25 are -1.5 and +1.5, both rational.
The square roots of 2 are -1.41421... and +1.41421, both irrational.
The square roots of -2 are -1.41421...*i and +1.41421*i, both imaginary.
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Is the square root of three irrational or rational?
The square roots of three are examples of irrational numbers.
Is -8.0 rational or irrational?
-8.0 is a rational number. Irrational numbers are things such as numbers that can't be expressed as a fraction in the a/b form. Such numbers that are irrational include pi, square roots of negative numbers, etc.
Are all square roots are irrational numbers?
No. The square roots of perfect squares are rational.
Is 3 a irrational number?
No, 3 is a rational number. Pi and the square root of 2 are irrational numbers.
Is -700 rational?
Yes, numbers fall into two categories rational and irrational. Rational: Fractions Terminating Decimals Integers Irrational: Pi The square root of 2 The square root of 3 Infinity
