Question

what is an isoquant ?why are the isoquant downward sloping

Answer 1

It is a type of a counter line drawn through a set of point at which the same quantity of output.

Answer 2

This implies that the Isoquant is a negatively sloped curve. This is because when the quantify of factor K (capital) is increased, the quantity of L (labor) must be reduced so as to keep the same level of output.