To find the equation of a line in 3D what do you need Check Answer Save Answer format a b c Check Answer Save Find the point associated with x y 2 3 on the surface generated by x y z where z f x y 2 3 22 1 0 16 Step By Step Example Answer format a b c Check Answer Save Step By Step Example Live Help Step By Step Example For fixed y 3 the tangent vector direction vector is given by the derivative of x y f x y with r Live Help D Live Help What is the equation of the tangent line to the trace of y 3 2 1 3 22 167 Slope of the line in traditi A direction vector A vector perpendicular to A point on the line CINE Answer format a bt c dt e ft where a b c d eandf are constants and is the parameter