SOLUTION: Write an equation of the line containing the given point and parraller to the given line. (8,-1);5x-9y=7

Algebra ->  Linear-equations -> SOLUTION: Write an equation of the line containing the given point and parraller to the given line. (8,-1);5x-9y=7      Log On


   

Question 332133: Write an equation of the line containing the given point and parraller to the given line. (8,-1);5x-9y=7
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(8,-1);
5x-9y=7
-9y=-5x+7
y=-5x/-9+7/-9
y=5x/9-7/9 this line has a slope=5/9.(red line)
Parallel lines will also have a slope=5/9.
-1=5/9*8+b
-1=40/9+b
b=-1-40/9
b=(-1*9-40)/9
b=(-9-40)/9
b=-49/9
y=5x/9-40/9 (green line)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+5x%2F9+-7%2F9+%2C+5x%2F9+-40%2F9+%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 5x/9 -7/9 and 5x/9 -40/9