QuestionSeptember 20, 2025

16 The sum of a rational and irrational number is a(n) square number.

16 The sum of a rational and irrational number is a(n) square number.
16
The sum of a rational and irrational number is a(n) square  number.

Solution
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Answer

irrational Explanation 1. Define rational and irrational numbers Rational: can be written as \frac{p}{q}, q \neq 0. Irrational: cannot be written as \frac{p}{q}. 2. Add a rational and an irrational number Suppose r is rational, i is irrational. If r + i were rational, then i = (r + i) - r would be rational, which contradicts i being irrational.

Explanation

1. Define rational and irrational numbers<br /> Rational: can be written as $\frac{p}{q}$, $q \neq 0$. Irrational: cannot be written as $\frac{p}{q}$.<br />2. Add a rational and an irrational number<br /> Suppose $r$ is rational, $i$ is irrational. If $r + i$ were rational, then $i = (r + i) - r$ would be rational, which contradicts $i$ being irrational.
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