5. [-/1 Points] DETAILS LARCALCET7 13.7.034. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the angle of inclination @ of the tangent plane to the surface at the given point. (Round your answer to two decimal places.) 2xy - 23 = 0, (4, 1, 2) 0 = Need Help? Read It 6. [-/1 Points] DETAILS LARCALCET7 13.7.042. MY NOTES ASK YOUR TEACHER Find the point(s) on the surface at which the tangent plane is horizontal. z = xy + - 1 +1 X ( x, y, z) = ( Need Help? Read It Watch It 7. [-/2 Points] DETAILS LARCALCET7 13.7.050. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find a point on the hyperboloid x2 + 4y2 - z2 = 1 where the tangent plane is parallel to the plane x + 4y - z = 0. ( x , y, z ) = smaller x-value) ( x, y, Z ) = (larger x-value) Need Help? Read It Watch It1. [-/1 Points] DETAILS LARCALCET7 13.7.008. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find an equation of the tangent plane to the surface at the given point. f ( x , y ) = , (1, 8, 8 ) 101 21... LO - 7- - 5 5 X 10 Need Help? Read It 2. [-/1 Points] DETAILS LARCALCET7 13.7.013. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find an equation of the tangent plane to the surface at the given point. h ( x, y) = In v x2 + x2, (3, 4, In 5) Need Help? Read It 3. [-/2 Points] DETAILS LARCALCET7 13.7.018. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) Find an equation of the tangent plane to the surface at the given point. x2 + y2 + 22 = 26, (1, 4, 3) (b) Find a set of symmetric equations for the normal line to the surface at the given point. Ox-ly-4 2 - 3 26 26 26 Ox-ly-4 2 - 3 1 ON = Y = Z 1 4 OXY -Z 26 26 26 Ox - 1 =y - 4 =z - 3 Need Help? Read It 4. [-/1 Points] DETAILS LARCALCET7 13.7.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find a set of parametric equations for the tangent line to the curve of intersection of the surfaces at the given point. (Enter your answers as a comma-separated list of equations.) x2 + z2 = 25, y2 + z2 = 25, (3, 3, 4) Need Help? Read It