Determine the coordinates of B

Question

AB = (-4,-3) Midpoint M= (1,2)

Answer 1

x increased by 5 from A to M

y increased by 5 from A to M

just add 5 to 1 and to 2 in M=(1,2) to get B = (6,7)

the graph is a 45 degree line, slope = 1, m=1, with y intercept b=1

y=x + 1