Determine whether the lines L1 and L2 are parallel, skew, or intersect

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Determine whether the lines L1 and L2 are parallel, skew, or intersecting. L1: x = 8 − 12t, y = 4 + 9t, z = 9 − 3t L2: x = 4 + 8s, y = −6s, z = 9 + 2s parallel skew intersecting If they intersect, find the point of intersection. (If an answer does not exist, enter DNE.) (x, y, z) = ( )

Determine whether the lines L1 and L2 are parallel, skew, or intersecting. L1: x = 8 − 12t, y = 4 + 9t, z = 9 − 3t L2: x = 4 + 8s, y = −6s, z = 9 + 2s parallel skew intersecting If they intersect, find the point of intersection. (If an answer does not exist, enter DNE.) (x, y, z) = ( )

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Determine whether the lines

L_{1}

and

L_{2}

are parallel, skew, or intersecting.

\begin{array}{l} L_{1} : x = 8 - 12 t, y = 4 + 9 t, z = 9 - 3 t \\ L_{2} : x = 4 + 8 s, y = - 6 s, z = 9 + 2 s \end{array}

parallel skew intersecting If they intersect, find the point of intersection. (If an answer does not exist, enter DNE.)

◻

(x, y, z) = (◻)

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$The coordinate axes in the figure run through the centroid of a solid wedge parallel to the labeled edges. The wedge has a = 4, b = 6, and c = 9. The solid has constant density δ = 1. The square of the distance from a typical point (x, y, z) of the wedge to the line L: z = 0, y = 6 is r2 = (y−6)2 + z2. Calculate the moment of inertia of the wedge about L. IL = (Simplify your answer. Type an integer or fraction.)$

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