SOLUTION: Find the equation of the line below. Arrange your answer in the form y = mx + b, where b is the constant. The coordinates are (1,2) and (-1,-2)

Algebra ->  Graphs -> SOLUTION: Find the equation of the line below. Arrange your answer in the form y = mx + b, where b is the constant. The coordinates are (1,2) and (-1,-2)      Log On


   

Question 804175: Find the equation of the line below. Arrange your answer in the form y = mx + b, where b is the constant.
The coordinates are (1,2) and (-1,-2)
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
(1,2) and (-1,-2)
The equation when two points are given
%28y-y1%29%2F%28y1-y2%29+=+%28x-x1%29%2F%28x1-x2%29

where (x1,y1) (x2,y2) are the two points
%28y-2%29%2F%282-%28-2%29%29+=+%28x-1%29%2F%281-%28-1%29%29

%28y-2%29%2F4+=+%28x-1%29%2F2

y-2=2(x-1)
y-2=2x-2
y-2x=0