Substitution and Rearranging formulae

In this lesson, we will be substituting positive values into a variety of formulae and calculating the result.

In this lesson, we will be substituting negative values into a variety of formulae, and calculating the result.

In this lesson, we will change the subject of a formula in which the term appears once.

In this lesson, we will change the subject of a formula where the formula involves squares and square roots and the term only appears once.