Answer:
We can see that our y-value of our coordinates do not change so we can just subtract the first x-value from the second x-value.
[tex]x_2 - x_1[/tex]
[tex]4 - (-4)[/tex]
[tex]8[/tex]
The option that best matches our answer is Option B, [tex]8[/tex]
Hope this helps! Let me know if you have any questions
