Solve the quadratic equation by completing the square.x2 + 16x = -42
A. {-8 ± 
}
B. {-16 ± 
}
C. {-8 ± 
}
D. {8 ± 
}
Answer: C
Mathematics
You might also like to view...
Evaluate the spherical coordinate integral.
A. 
?
B. 3?
C. 
?
D. 
?
Mathematics
Solve the problem.The length of time it takes college students to find a parking spot in the library parking lot follows a normal distribution with a mean of 5.0 minutes and a standard deviation of 1 minute. Find the probability that a randomly selected college student will find a parking spot in the library parking lot in less than 4.5 minutes.
A. 0.3551 B. 0.2674 C. 0.1915 D. 0.3085
Mathematics
Integrate the function.
A. 
B. 2tan-1 
C. 2tan-1 6
D. 2sin-1 6
Mathematics
Write interval notation for the given set or graph.{x ? x > -4}
A. (-?, -4] B. (-?, -4) C. [-4, ?) D. (-4, ?)
Mathematics