Find all complex-number solutions by completing the square.x2 = -10x - 32
A. x = 5 ± i
B. x = -5 ± 7i
C. x = -5 ± 
D. x = -5 ± i
Answer: D
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Solve the equation by using the quadratic formula. Give only real number solutions.(x + 1)(x - 4) = 6
A. 5 + 
, 5 - 
B. -2, 5
C. -2 + 
, -2 - 
D. -5, 2
Solve.Using the first three terms of the appropriate Taylor expansion, find the area bounded by the curve 
and 
A. 0.4779 B. 0.6758 C. 0.1352 D. 0.8277
In a chemistry class, the following test scores were recorded for a student: 79, 76, 74, 73, 82, 78. Find the mean, median, and mode for the data.
A. mean: 77, median: 73, mode: 82 B. mean: 76, median: none, mode: none C. mean: 78, median: none, mode: 82 D. mean: 77, median: 77, mode: none
A mortar shell is fired with a muzzle speed of 325 ft/sec. Find the angle of elevation of the mortar if the shell strikes a target located 1500 ft away. Round your answer to 2 decimal places.
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