All systems will be solved by performing elementary row operations on an augmented matrix until it is transform into REF. 6. (10 points) The volume of traffic (in vehicles per hour) for 5 i B 0 -1 a collection of intersections is shown in the figure below. 7. (7 points) Given 4 :[ - } and B=|-1 -2 Find all possible values for x,, x,, x;, x, and Xx;. - 2 i | What is the maximum x, can be? a) If defined, calculate 4B 200 20 40 *s Xy Xa % &00 100 3 1m0 b) If defined, calculate BA ) What can you conclude from this