What is \(\displaystyle \frac{10}{2}\)?

\(\displaystyle \frac{10}{2}=5\) because ...

\(\displaystyle \frac{10}{2}=5\) because \(2\cdot 5=10\)

\(\displaystyle \frac{12}{3}=?\) because ...

\(\displaystyle \frac{12}{3}=4\) because \(3\cdot 4=12\)

\(\displaystyle \frac{0}{9}=?\) because ...

\(\displaystyle \frac{0}{9}=0\) because \(9\cdot 0=0\)

\(\displaystyle \frac{9}{0}=?\) because ...

\(\displaystyle \frac{9}{0}=undefined\) because we cannot multiply any number by \(0\) to get \(9\).

\(\displaystyle \frac{0}{Non~zero~number}=0\)

Always remember!

\(\displaystyle \frac{Non~zero~number}{0}=undefined\)

Always remember!