Finding roots of an equation between 2 values

Last updated: 15/11/2023
Contributor: Helen Coombes
Finding roots of an equation between 2 values
Main Subject
Key stage
Category
Algebra: Numerical methods
Inside
Includes answers
Resource type
Worksheet

This worksheet looks at how to show there is a root between two given values of x, mainly concentrating on quadratics and cubics.

It then moves on to using trial and improvement to find the value of this root.

Finally, 1/x is shown as an example that doesn't work.

All reviews

Have you used this resource?

5

12/12/2018

Thank you for identifying this. I think the question is still valuable as a discussion point, so I have amended the resource appropriately.

Camilla Clarkson

27/11/2018

Q1 is clearly incorrect.

Stuart Myles

23/11/2018

5

12/12/2018

Thank you for identifying this. I think the question is still valuable as a discussion point, so I have amended the resource appropriately.

Camilla Clarkson

27/11/2018

Q1 is clearly incorrect.

Stuart Myles

23/11/2018