These lines are perpendicular because y = -6 is a horizontal line with a slope of 0 and x = 6 is a vertical line with an undefined slope
Critique reasoning is the process of objectively thinking critically about a matter by applying logic and reasoning on the basis of the evidence and facts which are available in order to draw appropriate conclusions.
Critique reasoning is an effective tool which can be used to draw correct conclusions in various situations. Critique reasoning are used in law for instance to proof cases.