maths

• Indices


  A small number that tells us how many times a term has been multiplied by itself
• The multiplication and division laws can only be used for terms with the same base
• When a power is outside the bracket you must raise all terms inside the bracket by that power
• The laws of indices are used to simplify and evaluate expressions with indices
• The product of two numbers is the result when they are multiplied together.
• A linear equation is an equation that contains variables that have an exponent (are raised to a power) that is no higher than one. 
• All equations have an equals sign, which means that everything on the left-hand side of the = is exactly the same as everything on the right-hand side.
• A formula is an equation that describes how one quantity depends on another.