Question

M is the midpoint of AB¯. Find the coordinates of B given A(–2, 1) and M(4, 3).

Answer 1

Answer:

B (10, 5)

Step-by-step explanation:

We simply set the midpoint equal to each of its respective variable equation in $m = (\frac{x1+x2}{2},\frac{y1+y2}{2} )$

Step 1: Solve x

4 = (-2 + x)/2

8 = -2 + x

x = 10

Step 2: Solve y

3 = (1 + y)/2

6 = 1 + y

y = 5

Put it in coordinates and we have our final answer!