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Quiz #2 Dot Product & Cross Product X Est. Length: 0:30:00 Seline Andrade: Attempt 1 Page 1: Question 1 (1 point) 2 3 If vector lal = 12 cm, |b| = 13 cm, and the angle between them when placed tail to tail is 350, find a . b to the nearest tenth. 4 UI 6 O a) a . b = 89.5 Ob) a . b = 109.2 8 9 Oca . b = 127.8 10 11 12 Od) a . b = -141.0 Question 2 (1 point) If vector a = [3, 2, 9] and b = [-4, 7, 2], find a . b. a) a . b = 20 (b) a . b = 19 Oca . b =-9 Od) a . b = 12 MacBook Airiz #2 Dot Product & Cross Product X ength: 0:30:00 Seline Andrade: Attempt 1 Question 3 (1 point) Under which of the following conditions will the dot product of two vectors be zero? (a) The angle between them is 90. b) The angle between them is 0 (c) The angle between them is 180 12 (d) The vectors have the same magnitude. Question 4 (1 point) A parallelogram has sides 12 cm, and 13 cm. The acute angle between the sides measures 350. Find the area of the parallelogram. a) (a x 51 = 128 cm2 (b) (a x 61 = 6 cm 2 c) (a x b) = 156 cm2SUAL Metallica - Nothing Els... Streaming Films, Origi.. Homepage - Simcoe C.. For Journal 2: Writers. Quizzes - MCV4UV-01... SOAP2DAY Course Hero Mail Quiz #2 Dot Product & Cross Product X Est. Length: 0:30:00 Seline Andrade: Attempt 1 Page 1: Question 11 (1 point) 2 3 Find the dot product between vectors a and b , given a =37 - ] and b = 27 + j+4k. 6 -A CO 9 Question 12 (1 point) 10 11 12 Find the angle between vectors a and b , given a = 3 i - j and b = 2 1 + j + 4 k to the nearest degree. A Submit Quiz 0 of 12 questions savedEst. Length: 0:30:00 Seline Andrade: Attempt 1 Page 1: Question 7 (1 point) What is [0, 0, 1] x [0,1, 0]? N 3 Oa _i A Ob - i 8 Od 27 10 1 1 12 Od + Question 8 (1 point) Which vector is orthogonal to [1,5]? O [-1,-5] [-1,5] [-5,1] [5,1] MacBook AirApple Bing Google Yahoo HOME. - CASUAL. Metallica - Nothing Els... Streaming Films, Origi.. Homepage - Simcoe C.. For Journal 2: Writers. Quizzes - MCV4UV-01.. SOAP2DAY Course Hero Mail Quiz #2 Dot Product & Cross Product X Est. Length: 0:30:00 Seline Andrade: Attempt 1 Page 1: Question 9 (1 point) 1 2 3 Determine the measure of the angle between the two vectors [1,2,3] and [-1,3,-2]. 860 4 U O 600 8 9 90 10 11 12 940 Question 10 (1 point) If a =[5,-2,4] and b =[o,-2.3], find a x b [2,-15,-10] [-2,-15,10] O [-2,15,10] O- 16 MacBook AirQuiz #2 Dot Product & Cross Product Est. Length: 0:30:00 Seline Andrade: Attempt 1 Page 1: Question 4 (1 point) A parallelogram has sides 12 cm, and 13 cm. The acute angle between the sides W N measures 35. Find the area of the parallelogram. A 5 6 a) (a x b) = 128 cm2 V 8 O (b) (a x bl = 6 cm2 10 11 12 c 1a x 6) = 156 cm2 Od) (a x bl = 89 cm2 Question 5 (1 point) Which statement is true about the cross product? (a) The result gives a vector parallel to both given vectors. b) The result gives a vector perpendicular to both given vectors. (c) It is equivalent to the division of one vector by another. MacBook Air1: Question 5 (1 point) Which statement is true about the cross product? a) The result gives a vector parallel to both given vectors. UT b) The result gives a vector perpendicular to both given vectors. (c) It is equivalent to the division of one vector by another. 12 (d) The result gives the magnitude of the projection of one vector onto another. Question 6 (1 point) Under which of the following conditions, will the cross product of two non-zero vectors in three dimensions be the zero vector? O a) The angle between them is 90. b) The vectors have the same magnitude. O c) The angle between them is 459. d) The angle between them is 0 MacBook Air