Question

is the number 3/-8 rational
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Answer 1

The definition of rational numbers tells us that all fractions are rational. ... An easy way to do this is to write it as a fraction with denominator one. 3=31−8=−810=01. Since any integer can be written as the ratio of two integers, all integers are rational numbers.

Answer 2

SOLUTION

TO CHECK

$\displaystyle \sf{ Is \: the \: number \: \: \frac{3}{ - 8} \: rational }$

EVALUATION

We know that , Rational number is defined as a number of the form $\displaystyle \sf{ \frac{p}{q} \: }$ Where p & q are integers with q ≠ 0

Here the given number is

$\displaystyle \sf{ \frac{3}{ - 8} }$

Which can be rewritten as

$\displaystyle \sf{ \frac{3}{ - 8} }$

$\displaystyle \sf{ = - \frac{3}{ 8} }$

This number is of the form $\displaystyle \sf{ \frac{p}{q} \: }$

Where p = - 3 , q = 8 with q ≠ 0

So the given number is of the form $\displaystyle \sf{ \frac{p}{q} \: }$ Where p & q are integers with q ≠ 0

Hence the given number is rational

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