SOLUTION: Write an equation for the line with slope 3 going through the point (1,-2). How would I do this? I'm 46 and trying to refresh my algebra skills. Thanks

Algebra ->  Coordinate-system -> SOLUTION: Write an equation for the line with slope 3 going through the point (1,-2). How would I do this? I'm 46 and trying to refresh my algebra skills. Thanks       Log On


   

Question 459310: Write an equation for the line with slope 3 going through the point (1,-2).
How would I do this?
I'm 46 and trying to refresh my algebra skills. Thanks
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
first find the y intercept
y=mx+b
-2=3*1+b
-2=3+b
b=-5
----------------
put information in equation.
y=3x-5