which-of-the-following-best-describes-a-parametric-equation

Question

Which of the following best describes a parametric equation?

Accepted Answer

An equation where both x and y are defined as functions of a third variable, usually t.

Answer

An equation where y is defined explicitly in terms of x.

Answer

An equation where x is defined implicitly in terms of y.

Answer

An equation that only involves x and y without any parameters.