Homework

Page 852

Problems 3, 5, 11, 12, 14, 30, 31, 36, 50,54, 57

12

The lines are perpendicular

14

a The parametric equations of the line are x = 5+2t, y = 1-t,z =t

b.The points of intersection are (5,1,0), (0,7/2,-5/2), and (7,0,1)

30

The equation of the plane is x - 2y + z = 0

36

(5,13/3,-2/3)

50

x = -7/3 + 5t, y = t, z = 13 - 2t

54

a (2,0,2)

b x+y=2