#1 is x3
Bc x goes up 3 each time and y goes up 2 each time
Answer:
using imaginary numbers
Step-by-step explanation:
The distance between B and B' will be the same as distance between A and A'.
= sqrt ( (5-1)^2 + ( 1 - -2)^2)
= sqrt (16 + 9)
= 5 units answer