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tm9 - MAC 1114 Module Test 9 Name MULTIPLE CHOICE Choose...

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1114 Module Test 9 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Use the fgure to fnd the specifed vector. 1) Find - a . A) 7, - 3 B) - 3, - 7 C) - 7, - 3 D) - 3, 7 Determine whether the given vectors are orthogonal. 2) 3 i - 4 j and - 8 i - 6 j A) No B) Yes 3) < - 2, 3 > and < - 2 3 , - 4 > A) No B) Yes Use the parallelogram rule to fnd the magnitude oF the resultant Force For the two Forces shown in the fgure. Round to one decimal place. 4) A) 132.7 lb B) 21,459.5 lb C) 146.5 lb D) 180.3 lb Write the vector in the Form ai + bj. Round a and b to 3 decimal places iF necessary. 5) - 8, 2 A) - 8 i + 2 j B) 8 i + 2 j C) 2 i - 8 j D) 2 i + 8 j ±ind the angle between the given vectors to the nearest tenth oF a degree. 6) a = 4 i - 4 j , b = 2 i - 9 j A) 33.5° B) 66.3° C) 32.5° D) 122.5° Solve the problem. 7) If

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tm9 - MAC 1114 Module Test 9 Name MULTIPLE CHOICE Choose...

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