# Help Zone

### Student Question

Secondary IV • 9mo.

It's fair to convert vertex form to general form and general form to vertex form and so I need help to change from

general form to standard form, In joint, there is an illustration.

Mathematics

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## Explanations (1)

• Explanation from Alloprof

Explanation from Alloprof

This Explanation was submitted by a member of the Alloprof team.

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Team Alloprof • 9mo.

Hi ExtraordinaryMelon4228,

Thank you for your question!

Before starting the resolution, we need to understand the different form of quadratic functions. The general form is this one:

$$f(x)=ax^2+bx+c$$

In this problem, we want the standard form, which is this one:

$$f(x)=a(x-h)^2+k$$

To go from the general form to the standard form, we need to use this formula:

We then have the values of h and k, we can now write the function in the standard form. You can also use the completing square technique, it's just a bit longer to do.

I hope that helps and feel free to write us again!

Anthony B.