Answer:
[tex]\text{ scale factor=2}[/tex]
Step-by-step explanation:
The scale factor of a dilation is represented by:
[tex]scale\text{ factor=}\frac{image}{origin}[/tex]
Therefore,
[tex]\begin{gathered} scale\text{ factor= }\frac{10}{5} \\ \text{ scale factor=2} \end{gathered}[/tex]
