Answer:
Step-by-step explanation:
B
3 units up
when the y intercept goes u, so does the line
(-1, -3)
The midpoint coordinates are the average of the respective end point coordinates:
M = (P +Q)/2
M = ((-7, 1) +(5, -7))/2 = (-7+5, 1-7)/2 = (-2, -6)/2
M = (-1, -3) . . . . the midpoint of PQ
