Question 671951
The y intercept is 0 on the line y=-2x
**Notice there is no be aligning it to the y=mx+b format
...
{{{graph(300,200,-10,10,-10,10,-2x)}}}
.....................
Delighted to help.
-Reading Boosters
Website: www.MyHomeworkAnswers.com 
Wanting for others what we want for ourselves.