Find the slope of a line when two points having coordinates are given ?

Find the slope of a line joining the points (2,-3) and (3,4)

Find the slope of a line having equation of the form ax+by+c=0

Find the slope of the line joining the points (3,-4) and (5,2)

Find the slope of the line joining the points (7,5) and (9,7) :

Find the slope of the line through the points: (3, -2) and (3, 4)

Find the slope of the line through the points: (6, 3) and (9, 3)

Find the slope of the line through the points: (0, 9) and (-3, 0)

Find the slope of the line through the points: (1, 2) and (4, 2)

Find the slope of the line joining the points (6, 3) and (8, 7) :

The slope of the tangent at any point on a curve is lambda times the slope of the line joining the point of contact to the origin. Formulate the differential equation and hence find the equation of the curve.