SOLUTION: Consider the line -3x-9y=4. Find the equation of the line that is parallel to this line and passes through the point (-2,-4). Find the point that is perpendicular to this line an

Algebra ->  Linear-equations -> SOLUTION: Consider the line -3x-9y=4. Find the equation of the line that is parallel to this line and passes through the point (-2,-4). Find the point that is perpendicular to this line an      Log On


   

Question 1186060: Consider the line -3x-9y=4.
Find the equation of the line that is parallel to this line and passes through the point (-2,-4).
Find the point that is perpendicular to this line and passes through the point (-2,-4)
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Ax%2BBy=C
The slope is -A%2FB

Slope of any line parallel to the line is also -A%2FB.
Slope of any line perpendicular to the given line is B%2FA.


Finding your line perpendicular, 9x-3y=9%28-2%29-3%28-4%29 and containing the given point; simplify this.