Question 362053
<pre><font size = 3 color = "indigo"><b>
Hi
Using the point-slope formula, 
{{{m =(y[2] - y[1])/(x[2] - x[1])}}}
(1, 1), (2, 3)

{{{m =(y[2] - y[1])/(x[2] - x[1])}}}
(3, 7), (2, 5)
would find both of these lines have the same slope of 2 and therefore are parallel