Determine whether each statement is true or false. provide a justification for each answer (a showing that a statement holds for a few cases is sufficient to prove a universal statement. (b providing one example when the statement holds is sufficient to prove an existential statement. providing one counterexample is sufficient to disprove a universal statement. proof by exhaustion can be used to prove a universally quantified statement with a finite domain. feedback?

step-by-step explanation:

rectangles are made up of 4 right angles, which means that a side and a base meet perpendicular to one another.   their slopes then have to reflect perpendicular slopes.   perpendicular slopes are opposite reciprocals of one another.   for example, if the slope of one line is +2/3, then the perpendicular slope to that would be -3/2.   so we look for that combination in our choices.

all of them satisfy that condition (so what's the question, i guess? )