Question 957335
Two points: (0,0),(1,2)
{{{m=(2-0)/(1-0)}}} The slope is 2
y=mx+b 
y=2x+b Plug in value,solve for b:
2=2(1)+b Subtract 2 from each side.
0=b
.
EQUATION: y=2x
. CHECK:
Through (0,0)
y=2x
0=2(0)
0=0
. 
Through (1,2)
y=2x
2=2(1)
2=2