When solving equations involving rational and irrational numbers, you cannot mix the two. Rational = rational , irrational = irrational.
lesson notes:05 surdic equalities
When solving equations involving rational and irrational numbers, you cannot mix the two. Rational = rational , irrational = irrational.
lesson notes:05 surdic equalities
When dividing surds we use a technique known as rationalising the denominator. Having a rational denominator allows for easier comparison of surds.
lesson notes:04 rationalising the denominator
The most common group of irrational numbers are surds. As they are unknowns the rules of algebra can be used to manipulate them.
lesson notes:03 surds
Looking at travel graphs to introduce the idea of displacement and average velocity.
lesson notes:04 travel graphs
Expanding on the initial model to take into account some external conditions
lesson notes:03 further growth & decay