SOLUTION: Write an equation in point-slope form of the line containing the point (-4,-5) and parallel to the line 2x+y=-3.

Algebra ->  Graphs -> SOLUTION: Write an equation in point-slope form of the line containing the point (-4,-5) and parallel to the line 2x+y=-3.      Log On


   

Question 195595: Write an equation in point-slope form of the line containing the point (-4,-5) and parallel to the line 2x+y=-3.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(-4,-5) and parallel to the line 2x+y=-3.
y=-2x-3. (red line)this line has a slope=-2.
Therefore a parallel line has a slope=-2.
Y=mX+b
-5=-2/2+b
-5=-1+b
b=-5+1
b=-4 the y intercept.
Thus this line equation is:
y=-2x-4 (green line)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-2x+-3%2C+-2x+-4%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -2x -3 and -2x -4).