Missing coordinate in an ordered pair.

Question

M=0 (3,4),(-2, ?)

Answer 1

Assuming

 

M = 0

 

is the slope (it should be designated by m), the missing coordinate has to be

 

y = 4

 

in order to ensure that

 

y₂ - y₁ = 0

 

in

 

m = (y₂ - y₁)/(x₂ - x₁).