GCSE AQA Other graphs - AQA The equation of a circle – Higher The most commonly occurring graphs are quadratic, cubic, reciprocal, exponential and circle graphs. Their equations can be used to ...

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

Example Find the equation of a circle with radius 3 units and centre (0, 0). The radius, r = 3 and r 2 = 9, so the equation of the circle is x 2 + y 2 = 9.