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A surd is an irrational square root which cannot be reduced to a whole number when squared. When you think of the square root of 4, the answer is 2. When you think of the square root of 9, the answer is 3...

This is a quadratic equation. We can recall that this means the graph will have a parabolic shape. Next we need to do a little bit of manipulation to get our final bits of information. So we want to know ...

Firstly, your quadratic equation will be of the form ax² + bx + c where a, b and c will be numbers. Now you have to multiply a by c to get a number, say d. From this number d, you need to find ...

This is a super common question, and once you know which steps to take when, it is rather simple and just takes practise! First of all, these are the steps that you need to take: 1) Convert the mixed numb...

I spent some time working in a factory that made car parts recently and it is a good example of the different kinds of averages. This factory received about 100 orders a week. We could ship roughly 30 of ...