Solve the quadratic equation by completing the square.x2 = 7 - 8x
A. x = -4 ± 2
B. x = 4 + 
C. x = -4 ± 
D. x = -1 ± 
Answer: C
Mathematics
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Evaluate the integral.
A. 5 sin x + 5x cos x + C B. 5 sin x - x cos x + C C. 5 sin x - 5x cos x + C D. 5 sin x - 5 cos x + C
Mathematics
Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the length of the pool. Estimate the volume of water in the pool using Simpson's Rule.
A. 8700 ft3 B. 5800 ft3 C. 10,200 ft3 D. 7700 ft3
Mathematics
Factor and simplify the expression.
A. csc2x + tan2x B. sin x + cos x C. csc x tan x D. 1
Mathematics
Write the first five terms of the sequence whose general term is given.an = n2 - n
A. 1, 4, 9, 16, 25 B. 2, 6, 12, 20, 30 C. 0, 2, 6, 12, 20 D. 0, 3, 8, 15, 24
Mathematics