Question

if P(-1,3) is mid-point of lines joining the points A(-3,2b) and B(1,b+6) then the value of b is​

Answer 1

b may be 1 or -4

Step-by-step explanation:

-3 + 2b = -1

2b = -1+3

2b = 2

b = 1

1 + b + 6 = 3

b + 7 = 3

b = 3 - 7

b = -4