Answer:
d=5.7
Step-by-step explanation:
[tex]d=\sqrt{(x2-x1)^{2} +(y2-y1)^{2} }[/tex]
[tex]d=\sqrt{-6(-2)^{2}+(-8-(-4)^{2} }[/tex]
[tex]d=\sqrt{(-6+2){^{2}+(-8+4)^{2} } }[/tex]
d=[tex]\sqrt{(-4)^{2}+(-4)^{2} }[/tex]
d=[tex]\sqrt{16+16}[/tex]
d=[tex]\sqrt{32}[/tex]
d=5.656 =5.7