SOLUTION: Find the equation of the line that passes through the points (0, 0) and (–5, –4).

Algebra ->  Graphs -> SOLUTION: Find the equation of the line that passes through the points (0, 0) and (–5, –4).       Log On


   

Question 320361: Find the equation of the line that passes through the points (0, 0) and (–5, –4).
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(0, 0) and (–5, –4).
Y=mX+b
m=slope & b=Y intercept.
m=(Y2-Y1)/(x2-x1)
m=(-4-0)/(-5-0)=-4/-5=.8 ans. for the slope.
-4=.8*-5+b
-4=-4+b
b=4-4
b=0 ans. for the Y intercept.
Y=.8X
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+.8x%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = .8x).