The body continues to burn calories during sleep to sustain life and essential bodily functions. A person can use a specific formula to estimate how many calories they burn at night. Even when resting ...

This interactive quiz is suitable for National 5 maths students studying working with surds. Quiz: Simplifying expressions using the laws of indices - N5 This interactive quiz is suitable for National ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

First we need to complete the square to get the coordinates of the turning point. \(y = {x^2} + 2x + 3\) \(y = {(x + 1)^2} - 1 + 3\) \(y = {(x + 1)^2} + 2\) Therefore ...