1

9. In the standard (x,y) coordinate plane, point M with
coordinates (5,4) is the midpoint of AB , and B has
coordinates (7,3). What are the coordinates of A ?

  • A. (17,11)

  • B. ( 9, 2)

  • C. ( 6, 3.5)

  • D. ( 3, 5)

  • E. (−3,−5)