Question

find if the length of the line segment is 5 cm and whose coordinates of one end is (2 ,2) and that of the other is (-1,m)

Answer 1

Answer:

answer for the given problem is given

Answer 2

Step-by-step explanation:

use distance formula

distance=√{(x2-x1)^2+(y2-y1)^2}

5=√{(2+1)^2+(2-m)^2}

5=√{(3)^2+(2-m)^2}

25=9+4-4m+m^2. (squaring

on both sides)

m^2-4m+13-25=0

m^2-4m-12=0

m^2-(6-2)m-12=0

m^2-6m+2m-12=0

m(m-6)+2(m-6)=0

(m+2)(m-6)=0

m= -2. or m=6