Algebra
Algebra – Substitutes letters for numbers.
It deals with symbols and the rules.
The owl with a bra (algebra) was the substitute for one of the footballers with a letter on their shirt.
Example 1
One of the most famous algebraic expressions is:
`E=mc^2`
The letters `E` (energy) and `m` (mass) are variables and the letter `c` is the speed of light which is a constant.
Example 2
`ax^2+bx+c=0`
A famous algebraic equation is the quadratic equation.
Remember Algebra
Another way to help you remember that algebra is substituting letters for numbers is as follows:
Along with being a footballer she’s always having problems in the papers with her eX’s (X).