Solving Quadratic equations

Today both higher year 11 classes of mine have been revising solving quadratic. There are three different methods for solving quadratic equations: 

Factorising

 

Completing the Square 

Quadratic Formula 

And for the year 10's- found this song to help remember it! 

With these, it is important that you have a lot of practice, find below links to different resources you could use: 

Solving by factorising Corbett Maths   Answers 

Quadratic Formula Corbett Maths   Answers

Completing the square Corbett Maths   

Worksheet- Factorising

Worksheet Formula

Worksheet Completing the Square

If you are still struggling come to maths cafe every lunch time and get help! 

Using the quadratic formula

Today with year 10's I have been working on solving quadratic equations using the formula. Remember to take care with negatives! 

If your struggling this video can help:

Here are some more questions to practise: Quadratic formula worksheet with answers