In this question you must show detailed reasoning.
Find the range of values of the constant \(m\) for which the simultaneous equations \(y = m x\) and \(x ^ { 2 } + y ^ { 2 } - 6 x - 2 y + 5 = 0\) have real solutions.
Give a geometrical interpretation of the solution in the case where \(m = 2\).