This is not middle school work
M=y2-y1/x2-x1
m=12-4/-6--2
m=8/-4
m=-2
Multiply the first equation by 2 to give
10x + 2y = 20
2x - 2y = 4 Adding to elininate y
12 x = 24
x = 2
Plug x = 2 into 2x - 2y = 4
4 - 2y = 4
y = 0
so the answer is
(2,0)
A is correct due to the smaller interquartile range