Disable equation editor DO Maximize z = 3x + y 2x+ 7y s 42 4x + 2y 36 Subject to 0 O y > Maximum is at y = Calculator Check Answer Jump to Answer' 0 Question 5 v ' ' ' BUM pts '0 2 Details Find the echelon form of this augmented matrix, written so there are 1's on the diagonal. 1 1 3 500 2 3 5 1200 1 3 2 400 _mmmm l ll ll ll l l ll ll ll l E Calculator ' Check Answer I l Jump to Answer I Question 9 v 8 0:4 pts '0 2 G) Details Graph the solution set to the follow system of inequalities by drawing a polygon around the solution region. Click to set the corner points. m+6y g 48 7313; g 49 a? 2 U y 2 0 1-6 9 8 7 6 5 4 3 2 I 2-1112345617891E -2 ClearAll Draw: Polygon E Calculator Check Answer Jump to