Homework check
Title: Jan 4­7:47 AM (1 of 4)
Use inverse matrices to find the P.O.I.
27) 5x - 7y = 54
2x - 4y = 30
Title: Jan 4­7:50 AM (2 of 4)
34) 3x + 2y = 13
3x + 2y + z = 13
2x + y + 3z = 9
Title: Jan 4­7:51 AM (3 of 4)
Try this one for 10 pts
# 28 page 233
Title: Jan 4­7:53 AM (4 of 4)