Find the equation of a Circle with centre (2,9) and radius 4.

In the form (x-x1)^2+(y-y1)^2=r^2
Hence equation is: (x-2)^2+(y-9)^2=16

SD

Related Maths A Level answers

All answers ▸

Given that y = 4x^5 - 5/(x^2) , x=/=0 , find a)dy/dx b)indefinite integral of y


Solving a quadratic with ax^2 e.g. 2x^2 - 11x + 12 = 0


The equation of curve C is 3x^2 + xy + y^2 - 4x - 6y + 7 = 0. Use implicit differentiation to find dy/dx in terms of x and y.


How would you differentiate the term 3x^3-2x^2+x-10