This print-out should have 11 questions. express BR in terms of u and v, where P, B. Multiple-choice questions may continue on D and R are the midpoints of AQ, AC, CS the next column or page - find all choices and SQ, respectively. before answering 1. BR = 2(u+ v) 001 10.0 points 2. BR = 2(u - v) 3. BR = u+2v Which one of the points 4. BR = 2u 5. BR = 2v -u P(-7, 3, -6), Q(-2, -7, -8). R(0, 2, 0) 6. BR = 2v in 3-space is closest to the cz-plane? 004 10.0 points 1. R(0, 2, 0) 2. Q(-2, -7, -8) The parallelopiped in 3-space shown in 3. P(-7, 3, -6) 002 10.0 points A rectangular box is constructed in 3-space with one corner at the origin and other ver- tices at R B (1, 0, 0), (0,3,0), (0, 0, 2). Find the length of the diagonal of the box. 5 1. length = v22 2. length = v19 3. length = 14 Q 4. length = 19 P 5. length = 22 6. length = V14 is determined by its vertices 003 10.0 points P(-4, -2 -2), Q(1, -2, 0), When u, v are the displacement vectors R(-2, 2, 1), S( -5, 1, -1). 1 = AB, V = AP. Find the vector y represented by the directed determined by the parallelogram line segment PC. 1. v = (7, 8, 6 ) 2. v = (1, 7, 4 ) 3. v = (6, 7, 6) 4. v = (0, 2, 1 ) 5. v = (4, 3, 3) 6. v = (7, 4, 5) P C 005 10.0 points B For the vectors u and v shown in