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Tool to find the vertex form of a polynomial. The vertex form a quadratic polynomial is an expressed form where the variable x appears only once.

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Vertex Form of a Quadratic -

Tag(s) : Mathematics,Symbolic Computation

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# Vertex Form of a Quadratic

## Calculate the vertex form

Tool to find the vertex form of a polynomial. The vertex form a quadratic polynomial is an expressed form where the variable x appears only once.

### How to find the vertex form a quadratic polynomial?

dCode uses multiple methods including the completion of the square or Tschirnhaus transformation.

A quadratic polynomial $$p(x)=ax^2+bx+c$$ can be written in a canonic form $$p(x)=a(x−α)^2+β$$.

dCode can generalize the approach to degrees n superior to 2 by removing the term of degree n-1.

### What is the Tschirnhaus method?

Consider a polynomial $$p(x) = a_n x^n + a_{n-1} x^{n-1} + a_{n-2} x^{n-2} + \cdots + a_1 x + a_0$$

The Tschirnhaus transformation consists in writing it as $$p(x) = k x^n + c$$

This form is called depressed polynomial.