Endpoint ( 1. 3). midpoint: ( 9.0)

Step-by-step explanation:

Let the two ponts be A and B whose midpoint is C.

A = (x , y )

B = ( 1 , 3)

C = ( 9 , 0 )

Solving for x,

9 = (x + 1) / 2

18 = x + 1

17 = x

Solving for y,

0 = (y + 3) / 2

0 = y + 3

-3 = y

So, the coordinates of A are (17 , -3)

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

step-by-step explanation:

formula

x = x1 + p/w(x2 - x1)

let the line segment ab with a(x1,y1) and b(x2,y2)

a point(x,y) divide ab in the ratio, 2: 3 the x coordinate can be written as

x = x1 + p/w(x2 - x1)

here p=2 and w = 2+3

therefore,

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

similarly y coordinate y = y1 + 2/5(y2 - y1)