Top answers

The equation of a circle is x^2+y^2-6x-4y+4=0. i) Find the radius and centre of the circle. ii) Find the coordinates of the points of intersection with the line y=x+2

i) x 2 + y 2 - 6x - 4y + 4 = 0 x 2 - 6x + y 2 - 4y + 4 = 0 group the terms together x 2 - 6x = (x - 3) 2 - 9 factorise the x terms y 2 - 4y = (y - 2) 2 - 4 factorise the y terms x 2 - 6x + y 2 - 4y + 4 = (x ...
RL
Answered by Ralf L. • Maths tutor
8713 Views

How do you do algebraic long division?

To find the quotient and remainder of an algebraic division we use a technique similar to long division at GCSE. I think the best and easiest way to learn this method is to go through an example. See the whi...
NB
Answered by Niamh B. • Maths tutor
5139 Views

Discuss the possible impact of supermarket monopsony power on both food suppliers and consumers?

One possible impact of supermarket monopsony power on suppliers is it will decrease their profits, possibly driving them out of the industry. A monopsony can be defined as when there is only one buyer in the...
GL
17786 Views

How do I show links between theory and context?

It is really important to demonstrate that you not only know the theory behind the Sociological argument, but that you can also link it to a current context! For example, if I was studying the Education in S...
CJ
Answered by Cerys J. • Sociology tutor
3013 Views

What is a destructive plate margin?

A destructive plate margin is formed where the oceanic plate meets the continental plate, and undergoes subduction due to the greater density of oceanic crust. As it is subducted, the oceanic plate melts wit...
EM
Answered by Erin M. • Geography tutor
10052 Views