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Firstly, we translate the information give into Maths equation. Therefore, A+D=£63 (the amount of many the spend on the tickets). Given the amount spent by Amy, we can find the total amount Dan spends: D=...

We have two reliable methods of solving this simultaneous equation. We can either eliminate the variables (x or y) directly, or make one of the variables the subject of the equation. I will show you how t...

This equation is an example of a quadratic equation, which is noticeable by the presence of the x² term on the left hand side. We begin to solve these types of equations by moving all the terms...

Let us take this quadratic equation as an example:2x² - 3x - 14 = 0The key here is to look for two numbers that multiply to the same number that 2 and -14 multiply to make, so that is 28. The n...

f^-1(x)= 5(x-1)