please explain how u got the answer!!!!!

Answer:
D. 7 units.
Step-by-step explanation:
The length is not altered by the 2 translations.
It is √[ (-1-6)^2 + (2-2)^2]
= 7 units.
Answer:
○ D) 7 units
Step-by-step explanation:
Since the length was never altered, you stick to your number sentence for x-terms:
[tex] - 1 + 7 = 6[/tex]
I am joyous to assist you anytime.