If you are teaching quadratic equations, here are free to use resources (you're welcome!)
1) Video that Explains why the formula ?
2) Downloadable worksheet with 25 quadratic equations to practise completing the square ✍️
3) Video Answers for previous worksheet ?
4) 25 quadratic equations using quadratic formula ✍️
5) Challenge for those students who finish first ?
6) Approximate square roots using the formula ??
7) Different Way of Solving Quadratic by Iteration