MATH TEST PT 2

8 of 22 If a = (-3, -5) and d = (-2, -6), find |42 - 2.5d|. O 7 5 O V146 O V74 O 8v/69 of 22 Two people are trying to raise an object from a hole using two ropes, as shown in the diagram below. Person 1 exerts a force of 415 N and Person 2 exerts a force of 405 N. 415 N 405 N 60 30 O What is the magnitude of the combined force applied by both people? O 555 N O 820 N O 580 N O 435 N10 of 22 Given the equation 3x + 2y = 8, a second equation that forms a system with no solution is: 6x + 4y = 8 Oz-y=8 O 3x - 2y = 8 O 6x + 4y = 1611 of 22 Which of the following systems of linear equations has a solution of (-4,3)? -4x - 2y = 22 Oly= - 3x -9 O -4x - 2y = 22 -y= -3x - 9 -4x + 2y = 22 -y= -3x - 9 -4x + 2y = 22 Oly= - 3x -9\f13 of 22 What is the value of e in the following matrix equation? 11 26 + 2 8 35 14 O 21 O 19 O 11 O 33B A* D Which of the following matrices represents direct travel in the network if "1" represents there is a direct connection between the cities A,B,C, and D and "0" represents there is no direct travel. To A B D 0 0 A 0 O From 0 1 1 1 1 To A B G D A 1 O From 0 0 1 To A B C D A 0 0 From 1 1 0 To A B G D 0 1 From B 1