Top answers

What is the highest common factor of 24 and 90?

To find the highest common factor of 24 and 90 we do this in three steps: 1. Find the prime factorisation of the two numbers. This means rewrite each given number as a product of only prime numbers. The prim...
JP
Answered by Joseph P. • Maths tutor
14027 Views

What is integration by parts?

Integration by parts is used to integrate a product of functions. The formula is as follows: Int[f(x)g'(x)] = f(x)g(x) - Int [f'(x)g(x)]
SR
Answered by Sam R. • Maths tutor
4807 Views

Solve the quadratic 2x^2+7x+6 by completing the square

All quadratic equations take the general form: ax 2 +bx+c=0 The first step used to comlete the square is to divide the whole equation by the a term, in our case 2 : 1) x 2 +(7/2)x+3=0 We then move our c term...
HN
Answered by Henry N. • Maths tutor
17483 Views

How do you find the length of a side of a right angled triangle when given the other two side lengths?

First, you have to work out whether the side you need to find is the hypotenuse or not. The hypotenuse is the longest side of the triangle, opposite the right angle. For this question, you use Pythagoras' th...
LH
Answered by Laura H. • Maths tutor
9017 Views

How do I solve simultaneous equations when one of the equations is not linear?

Sometimes you are asked to solve simultaneous equations where one of the equations has an x 2 and/or a y 2 in it - this is called a non-linear equation. This kind of question can look very complicated but on...
KB
Answered by Kristen B. • Maths tutor
9749 Views