For this case we have that by definition, the equation of the line in the slope-intersection form is given by:
[tex]y=mx+b[/tex]
Where:
m: It is the slope of the line
b: It is the cut-off point with the y axis
According to the data of the statement we have to:
[tex]m = 2\\b = 0[/tex]
Thus, the equation is of the form:
[tex]y = 2x + 0\\y = 2x[/tex]
On the other hand, we have to by definition if two lines are parallel then their slopes are equal.
Answer:
1.[tex]y = 2x[/tex]
2.By definition if two lines are parallel then their slopes are equal.
