## Curve

A curve is a collection of indefinite points where each and every point has two neighbors, except start and endpoints (as they have one). There are three types of curves:

### Implicit Curve

It can be expressed as the collection of points which are defined by an implicit equation to check whether a point on the curve or not.

The given function is referred to as implicit function

f(x,y)=0

In this, this function would give multiple values of x for a single value of y. It is also known as multivalued function

Implicit : When a soloution can not be expressed for x in form of y

### Explicit Curve

It can be expressed as the collection of points which are plotted on using a function y = f(x).

**y=f(x)**

In this, the given function would give a single value of x for a single value of y. It is also known as a Single valued function

### Parametric Curve

If a curve whose points are plotted using a parametric function is known as the parametric curve.

**f = g1(t), g2(t), ** it can be represented as (x,y)

where the value of t is in between 0 and 1

t =[0,1]

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