Help pls #7

y 5 5 O O 7. [-/10 Points] DETAILS SCALCET8 12.5.016. (a) Find parametric equations for the line through (2, 2, 4) that is perpendicular to the plane x - y + 2z = 2. (Use the parameter t.) ( x (t ) , y (t ), z(t) ) = (b) In what points does this line intersect the coordinate planes? xy-plane (x, y, z) = yz-plane (x, y, z) = xz-plane (x, y, z) = 8. [-/10 Points] DETAILS SCALCET8 12.6.029. Sketch a quadric surface that I have the tra