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# Name That Graph Again

**This is an Underground Mathematics resource.**

*Underground Mathematics is hosted by Cambridge Mathematics. The project was originally funded by a grant from the UK Department for Education to provide free web-based resources that support the teaching and learning of post-16 mathematics.*

*Visit the site at undergroundmathematics.org to find more resources, which also offer suggestions, solutions and teacher notes to help with their use in the classroom.*

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Age 16 to 18

Challenge Level

- Problem
- Student Solutions

How many ways can you identify an equation for this parabola?

For hint to get you started, click below.

How might considering this diagram help?

What do you know about the red parabola?

What has the red parabola got to do with the blue one?

What do you know about the red parabola?

What has the red parabola got to do with the blue one?