The answer is b
(-1,3,5)
Hope this helps!
Answer:
(y-(-2))/(x-(-1)= (-2-4)/(-1-3)
(y+2)/(x+1)= (-6)/(-4)
(y+2)/(x+1)= (3/2)
Cross multiplying
2y+4= 3x+3
3x-2y-1=0
13846+8273636
= 8287482
8287482-3763
=8283719
8283719x8273736
=6.8537304^13
180 - 64 = 116
116 / 2 = 58 :)
Check: 58 + 58 + 64 = 180
