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Lesson: Rewriting Quadratic Functions in Vertex Form

Discover in this lesson all the information contained in the vertex form of a quadratic function and the links with the other ways of writing quadratic equations. Find the vertex form by completing the square and use this to solve quadratic equations.

Worksheet: Rewriting Quadratic Functions in Vertex Form • 19 Questions

Q1:

Consider the graph:

Which is the following is the same as the function whose graph is shown?

Q2:

Rewrite the expression in the form .

What is the minimum value of the function ?

Q3:

Determine the quadratic function with the following properties:

its graph has a vertex at

A
B
C
D
EThe function does not exist.

Q4:

At which value of does the function have its minimum?

Q5:

The graph of a quadratic function is above the -axis when is between 7 and 19 and reaches a maximum of 14. What is in vertex form?

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