# How to Write Quadratic Functions

Instructions:

question 1 of 3

### How many points do you need in order to write the quadratic function if you don't know the vertex?

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### 2. Which of the following is the vertex form of the quadratic function?

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Our short quiz and worksheet is a helpful way to check to make sure you know how to write quadratic functions. Before taking an important test or quiz, answer questions about the form of the quadratic function used when given three points and the vertex form of the function.

## Quiz & Worksheet Goals

Take this quiz to see if you understand:

• How many points you need in order to write a quadratic function if you don't have the vertex
• Which form of the function do you use when you have three points
• What the vertex form of the quadratic function looks like
• Which form of the quadratic function you use when you have a vertex and another point
• How to write the quadratic function when given example points

## Skills Practiced

• Problem solving - use acquired knowledge to solve practice problems that involve writing quadratic functions
• Information recall - access the knowledge you've gained regarding how many points you need in order to write a quadratic function when you don't have the vertex
• Interpreting information - verify that you can read information regarding which form of the function to use when given the vertex and another point and interpret it correctly