Question

The co-ordinates of A and B are ( -3 , a) and (1 , a + 4). The midpoint of AB is (-1 , 1). Find a . ​

Answer 1

Answer:

Point P(5,-1) is the midpoint of AB

A(2,-4) let the coordinates of B be (x and y)

Then 5=

X=8

And -1=

-2=-4+y

Y=2

Hence the coordinates of B are (8,2)

Mark the brainlest me