Determine whether the lines  L1  and  L2  are parallel, skew, or intersecting. L1: x  =  2 − 9t,  y = 7 + 3t,  z = 3 − 12t L2: x  =  7 + 6s,  y = −2s,  z = 3 + 8s   If they intersect, find the point of intersection. (If an answer does not exist, enter DNE.) (x, y, z) =

Fill in the Blank 1. Given two points A(3, -8, 7) and B (8,2, -7) then BA would be

The graphs of hyperbolas are given. Match each graph to its equation. x? = 1 = 1 y Drag the equations given above into the appropriate area below to match the graphs. -3 of

19. Which of the following integrals would compute the area inside the inner loop for: r = 4-8 cos(0) (Hint: Graph first!!! This one is a bit tricky!) 5t/3 I. S;(4-8cos 0) d0 T/3 T/3 1 2 (4-8cos0)* d0 I. (4-8cos0)° d0 + [ (4-8cos0) d® III. 5л/3 A) I only В) II only С) II only D) II and III E) I, II, and Ш F) None of these