It shows the relationship at a fixed utility level between price of a good  and quantity purchased. 
It shows the relationship at a fixed utility level between price of a good  and quantity purchased. Most importantly, it always slopes downwards. It can  be computed from the Marshallian demand through the Slutsky equation. For ten  points, what is the name of this demand curve which displays only the  substitution effect for a good?
It shows the relationship at a fixed utility level between price of a good  and quantity purchased.
Hicksian demand curve (or {Compensated} demand curve)