Solve the quadratic equation by completing the square.x2 - 12x - 11 = 0
A. {12 - 
, 12 + 
}
B. {6 - 
, 6 + 
}
C. {-6 - 
, -6 + 
}
D. {6 - 
, 6 + 
}
Answer: B
Mathematics
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Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
a. –0.500
b. –1.000
c. –0.400
d. 0.250
e. 1.000
Mathematics
Provide an appropriate response. Compute: |-6.5|
A. 0 B. -6.5 C. 6.5 D. 13
Mathematics
Does the problem involve permutations or combinations? Do not solve.A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 11 members and any member can be elected to each position? No person can hold more than one office.
A. permutations B. combinations
Mathematics