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Is the square root of 2 plus the square root of 8 a rational or irrational number?
Wiki User
∙ 11y ago
irrational
Wiki User
∙ 11y ago
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Why an irrational number plus an irrational number equal a rational?
That simply isn't true. The sum of two irrational numbers CAN BE rational, but it can also be irrational. As an example, the square root of 2 plus the square root of 2 is irrational.
Is 7 plus the square root of 5 irrational and why?
7 plus the square root of 5 is an irrational number because the square root of 5 is a never ending decimal number that can't be expressed as a fraction.
Is 1 plus the square root of 7 rational or irrational?
The square root of any positive integer can only be a WHOLE NUMBER or IRRATIONAL, so the square root of 7 is irrational.On the other hand, the sum of a rational and an irrational number is always irrational.
Is 814 plus the square root of 99 rational?
No. 1) The square root of any positive integer that doesn't happen to be a perfect square is IRRATIONAL.2) If you add a rational and an irrational number, the result is irrational.
Can you subract an rational and irrational number and get an irrational number?
Yes. In fact, a rational plus or minus an irrational will always be irrational.
Is the sum of 18 plus the square root of 10 rational oris the sum of 18 plus the square root of 10 rational or irrational?
It is irrational.
Is the Square root of 15 plus the square root of 7 irrational or rational?
It is irrational
Is 5 plus the square root of 7 rational or irrational?
It is an irrational number because it can't be expressed as a fraction
Does an irrational number plus a rational number equal an irrational number?
Yes
Can a rational number plus an irrational number equal a rational number?
No, never.
Is a rational plus an irrational equals a rational?
No. A rational plus an irrational is always an irrational.
Does an irrational plus a rational number equal an irrational number?
Yes, always.
