Often yes - you eliminate the parameter to find an algebraic (cartesian) relationship between x & y, and often from there to see if you can tell what the relationship is: is associated graph that of a parabola, an ellipse, a circle , a straight line etc - if you are asked to so identify.
Often yes - to be able to find an algebraic relationship between x & y, and often from there to see if you can tell what the relationship is: is associated graph that of a parabola, an ellipse, a circle , a straight line - if you are asked to so identify.