SOLUTION: How do you graph (-2,-9) and (-1,-7) on one graph?

Algebra ->  Graphs -> SOLUTION: How do you graph (-2,-9) and (-1,-7) on one graph?      Log On


   



Question 182243: How do you graph (-2,-9) and (-1,-7) on one graph?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(-2,-9) and (-1,-7)
slope=(y2-y1)/x2-x1)
slope=(-7+9)/(-1+2)
slope=2/1=2
Y=mX+b
-7=-1*2+b
-7=-2+b
b=-7+2
b=-5
Y=2-5x
+graph%28+300%2C+200%2C+-6%2C+10%2C+-10%2C+10%2C+2x+-5%29+ (graph 300x200 pixels, x from -6 to 10, y from -10 to 10, 2x -5).