THINKING 36 MARKS Question 1: Solve the following Systems of Equations a) xty+z-1=0 x + 2y + 32 - 3 = 0 x + 4y + 62 - 5 -0 Marking Scheme (out of 7) 1 mark for analyzing normal to show if they are parallel 1 mark for showing whether the planes are coplanar (0.5 work, 0.5 answer) 4 marks for showing all relevant work to solve the system of equations . 1 mark for solution (if the solution is a line, use z = t) Analyze the Normals: Work: Solution