SOLUTION: what is the equation for the line (0,1) (4,-1) in slope intercept form

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: what is the equation for the line (0,1) (4,-1) in slope intercept form       Log On


   

Question 1061822: what is the equation for the line (0,1) (4,-1) in slope intercept form
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Slope is change in y/change in x
-1-1/4-0=-2/4=-1/2
point slope formula y-y1=m(x-x1), where m is the slope and (x1,y1) are the points.
y-1=(-1/2)(x-0)
y=(-1/2)x+1 ANSWER.
check to see if both points are on it
x=0 y=1
x=4, y=-2+1, and that is -1
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%28-x%2F2%29%2B1%29