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What is Pythagoras' theorem?

Pythagoras' Theorem is a rule for right-angled triangles which is used to solve problems.

Explanation:

For any right-angled triangle, the longest side (oppo...

Answered by Sarah P. • Maths tutor

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How to apply the quadratic equation

First you determine which value is a, b, or c in the polynomial. Then you insert those values into the equation correctly.

Answered by Ross N. • Maths tutor

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What is the method for factorising the expression 'x^2 + 3x + 2'?

First look at the constant coefficient, which in this case is 2. You need two numbers which will multiply together to make this number. The only pairs of numbers that will make 2, are (1 and 2) or (...

Answered by Will W. • Maths tutor

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Factorise 4xy-6xz

Method

First Look for a term (i.e x , y, z) which is in all the compoents

Also look if there is a possible common factor that the compoents share

Answered by Cameron T. • Maths tutor

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Make a the subject of the following equation, p=(3a+5)/(4-a)

In this question I would initially aim to get an a on both sides of the equation. My first step would be to multiply both sides by (4-a) to do this. After this point I would expand out the brackets on ...

Answered by Martin O. • Maths tutor

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