The circle (x-3)^2 +(x-2)^2 = 20 has centre C. Write down the radius of the circle and the coordinates of C.

Radius = square root of 20
Centre = (3,2)

JN

Related Maths A Level answers

All answers ▸

Express '6cos(2x) +sin(x)' in terms of sin(x).


What is a derivative?


How would you go about integrating a function which has an exponential and a cos/sin term?


When do we use the quadratic formula, and when the completing the square method?