Calculus Help

6. Find the scalar equation of the plane through the points M(1, 2,3) and N(3,2,-1) that is perpendicular to the plane with equation 3x + 2y + 6z +1 = 0. (Please click on the instructor's YouTube video lesson for help with this question). he J For all 7. Determine the value of k so that the line with parametric equations x = 2 + 3t, y = -2 + 5t, z = kt is parallel to the plane with equation 4x + 3y - 3z -12 = 0. 8. a. Find the scalar equation of the plane that passes through the point (4, 1, 3) and is parallel to the yz-plane. b. Use what you have found in part a) to find the scalar equation of the plane if it was parallel to the xz-plane? 9. The planes Agx + Byy + Cqz + D, = 0 and A2x + Bzy + Coz + D2 = 0 are perpendicular. Find the value of A,A + ByB2 + CqC2