Constructing the equation of a line given two points : Khan Academy on a Stick

Khan Academy on a Stick

Constructing equations in slope-intercept form

Multiple examples of constructing linear equations in slope-intercept form
Constructing equations in slope-intercept form from graphs
Linear equation from slope and a point
Finding a linear equation given a point and slope
Equation of a line from fractional slope and point
Constructing the equation of a line given two points
Finding y intercept given slope and point
Slope intercept form from table

If the above player doesn't work, try this direct link.