Visit http://ilectureonline.com for more math and science lectures!
In this video I will determine if the lines x=1+4t, y=5-4t, z=7+5t, and x=3+8t, y=2-8t, z=3+2t are parallel using parametric equations.
Next video in the series can be seen at:
https://youtu.be/xHG2_Rb58XU