Question

is the number 5 + -7 rational or irrational?
rational
irrational

Explanation:

Step1: Simplify the expression

First, we calculate \(5 + (-7)\). Adding a negative number is the same as subtracting its positive counterpart, so \(5 + (-7)=5 - 7\).

Step2: Evaluate the result

\(5 - 7=-2\).

Step3: Determine if it's rational

A rational number is a number that can be expressed as a fraction \(\frac{p}{q}\) where \(p\) and \(q\) are integers and \(q
eq0\). The number \(-2\) can be written as \(\frac{-2}{1}\) (or \(\frac{2}{-1}\), etc.), where \(-2\) and \(1\) are integers and \(1
eq0\). So, \(-2\) is a rational number.

Answer:

rational