what do the numbers in a circle equation mean

(x+a)^2+(y+b)^2=c a is the a negative of the x coordinate of the centre b is the negative y coordinate. c is the seared radius.

AM

Related Maths GCSE answers

All answers ▸

If a line t (f(x) = 2x +3) is perpendicular to a line n that passes through point (3,7), what is the equation of line n?


Work out the area of this triangle given the lengths of 1 sides (a) and 2 angles (A and B) using either the sine rule


Solve the simultaneous equations x + y = 2 and x^2 + 2y = 12


Aled has three concrete slabs. Two of the slabs are square, with each side of length x metres. The third slab is rectangular and measures 1 metre by (x +1) metres. The three concrete slabs cover an area of 7m^2. Show that 2x^2 + x – 6 = 0. Find x.