SOLUTION: Graph each pair of equations. Explain why they are a family of graphs y=-x-1 y=-x+2

Algebra ->  Coordinate-system -> SOLUTION: Graph each pair of equations. Explain why they are a family of graphs y=-x-1 y=-x+2      Log On


   



Question 250315: Graph each pair of equations. Explain why they are a family of graphs
y=-x-1
y=-x+2

Found 2 solutions by checkley77, richwmiller:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y=-x-1 (RED LINE)
y=-x+2 (GREEN LINE)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x+-1%2C+-x+%2B2%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x -1 and -x +2).
THEY ARE A FAMILY OF PARALLEL LINES BECAUSE THEY HAVE THE SAME SLOPE (-1)

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
They have the same slope and are parallel.
to graph find the intercepts where x=0 and y=0