Additional Math – Coordinate Geometry – Circles – Finding the centre and radius by drawing .
Normally we are expected to use formulas and a series of calculations to find the equation of the circle. However [...]
Normally we are expected to use formulas and a series of calculations to find the equation of the circle. However [...]
i) Find the Sum and Product of Roots Use the formula: Sum of roots = $latex \displaystyle -\frac{b}{a}$ and Product [...]