Question

Select all numbers that will produce an IRRATIONAL number when multiplied by 25–√
.

Answer 1

I’m missing part of the problem. Can you paste the expression exactly as given and the list of answer choices?

A few quick facts that will let us solve it as soon as you give the missing info:
- If one factor is a nonzero rational number and the other factor is irrational, the product is always irrational.
- If one factor is 0 the product is 0 (rational).
- The product of two irrational numbers can be rational (e.g. √2·√2 = 2) or irrational (e.g. √2·π).

If the expression you meant is √25 (which equals 5), then multiplying 5 by any irrational number (except 0) produces an irrational result; multiplying 5 by any rational number gives a rational result. Provide the exact expression and the choices and I’ll mark which produce an irrational product.