Question

Find the value of m, if the distance
between the points X( -2, 12] and y(m,-4)
is 8 units..

​

Answer 1

Answer:

Please mark my answer as brainliest

Answer 2

Answer:

m=-2

Step-by-step explanation:

x(-2,-12) y(m,-4)

XY=√(-2-m)^2+(-12-(-4))^2

8=√(m-2)^2+(-8)^2

squaring on both the sides

8^2=(m-2)^2+(-8)^2

64=(m-2)^2+64

(m-2)^2=0

(a-b)^2=a^2+b^2-2ab

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

m^2+2m+2m+4=0

m(m+2)+2(m+2)=0

(m+2)(m+2)=0

m=-2

therefore m=-2