100% ECON1540M S2 2022 Midterm July 18, 2022 Ying Kong Duration: 2hrs First name: Last name: Student #: Signature: Answers must be the student's own original work and written in their own words or otherw will be considered plagia and an academic honesty offence. The use of aides such as websites, apps, Google Translate etc. are not allowed unless explicit permission s given by the instructor Please submit HANDWRITING NOT TYPED answers. Also, hen you finish, upload PDF version to eClass. The total mark of this exam is 100 marks. You are required to answer all questions. Please show all steps of your work on each question. Please remember to write your first & last name, student # and SIGN at above or on your sheet. Please provide sufficient and clear answer for the following questions. 1 - (8 marks): Assume is there a scalar y such that Ax = yx? And if so. what is the value of v