Solve the equation by completing the square.x2 + 10x + 16 = 0
A. {-2, -8}
B. {2, 8}
C. {24, -8}
D. {±4}
Answer: A
Mathematics
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Compute the gradient of the function at the given point.
A. ?f = - 
i - 
j
B. ?f = 
i + 
j
C. ?f = - 
i - 
j
D. ?f = - 
i - 
j
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Evaluate the integral.
A. ?2
B. 
C. 
D. 2?2
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Solve the problem.A survey of 1168 people found that 258 people were planning to travel on Labor Day weekend. How many people were planning to stay home?
A. 810 people B. 910 people C. 1326 people D. 1426 people
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Solve the problem.The voltage E in an electrical circuit is given by E = 5.3 cos 150?t, where t is time measured in seconds. Find the amplitude.
A. 150? B. 10.6 C. 5.3 D. 150
Mathematics