03:31duration 3 minutes 31 seconds
Identifying parallel and perpendicular lines from…
Identifying parallel and perpendicular lines from equations
This shows how to transform all given equation…
03:25duration 3 minutes 25 seconds
Finding slopes of lines parallel and…
Finding slopes of lines parallel and perpendicular to a line given in slope-intercept form
Describes how and why the slopes of parallel and…
02:36duration 2 minutes 36 seconds
Classifying slopes given graphs of lines
Shows how to identify the four different…