SOLUTION: write the equation of a line that has a slope of -2 and passes through the point (3,9)

Algebra ->  Linear-equations -> SOLUTION: write the equation of a line that has a slope of -2 and passes through the point (3,9)      Log On


   

Question 1171667: write the equation of a line that has a slope of -2 and passes through the point (3,9)
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Slope -2 means the equation is of the form

y+=+-2x%2Bb

Plug in the given x=3 and y=9 and solve the resulting equation for b.

Then put that value of b in the equation to complete it.