The equation of a circle can be found using the centre and radius. The discriminant can determine the nature of intersections between two circles or a circle and a line to prove for tangency.

Keywords mathematical line graph, statistical graphs, variables, distance, time, ordered pairs, linear relationship, first-degree equations, coordinate axes, constant terms, coefficients Email us ...

If I cut out circles of different diameters and measure the mass of the circle then I can calculate the area. If the area is also supposed to be π R2, I can make a plot of area vs. diameter squared.

The questions in this quiz are suitable for GCSE maths students studying quadratic graphs, cubic graphs, reciprocal graphs, exponential graphs - Higher, The equation of a circle - Higher,the ...