1. Which ofthe following vectors is perpendicular to the line passing through the points and Q(7, 10)? a. = (-107 2. Determine the vector and parametric equations for the line passi (7,-5) c. d. ng through the points and 013, 5) 3. 4. 5. (1,0) + se R c. y 2t3, te R x=4t 1, d. all of the above x = 2t 1, y = 423, te R = (2,-5) + s(2, 1), s e R? Which three points are on the line L: r c. R 0,-6) (1, 2) + (2, 3), s e Rand 121+ky= 0 parallel? Which value of k will make the lines r d. 18 b. -18 Which pair of lines are parallel? , s eR a. (2, 5) se R b. 2x+2Y+2=0, r d. none of the above 6. Which of the following is the parametric equation of the line with symmetric equation 3 a. x = 3t3, y = 2t2, z = 2t+ 1, t eR c. x = 3t3, y = 2t2, z=t+2, te R 1, t e R d. none of the above b. x=3t+3, y = 2t+2, z = 2t- 7. Determine which line is the same as the line with vector equation r = 2 2 a. C. 1, 1,4) + se R 8. What value of k will place the point P(k, 2k,k 2) on the line r =