Question

the midpoint of the line joining the points (1,2) and (1,P) is (1,-1) find P

Answer 1

Answer:0

Step-by-step explanation:

(x1+x2/2,y1+y2/2) =(a,b)[midpoint formula]

(1+1/2,2+p/2)=(1,-1)

(1,2+p/2)=(1,-1)

2+p/2=-1

2+p=-2

p=0