Students graph and write systems of equations in this collaborative activity that doubles as classroom decor. All equations are in slope-intercept form. Once a pennant is complete, it can be hung along a string in your classroom to show the world that, "Hey, we know systems of equations!" Included are 20 pennants with QR codes, 20 without QR codes and 1 title pennant. Also included are 2 versions of an answer sheet (one where students just record solutions, another where they graph and write the