Respuesta :

Step-by-step explanation:

[tex]distance = \sqrt{ {( - 1 - 9)}^{2} } + { ( - 2 + 4) }^{2} \\ = \sqrt{ { - 8}^{2} } + {2}^{2} \\ = \sqrt{68} \\ = 2 \sqrt{17} unit[/tex]