Solve the equation by completing the square.x2 - 8x - 15 = 0
A. {-4 - 
, -4 + 
}
B. {4 - 
, 4 + 
}
C. {4 - 
, 4 + 
}
D. {8 - 
, 8 + 
}
Answer: B
Mathematics
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Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. 
B. 
C. 
D. 
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Determine if the lines parallel, perpendicular, or neither.L1: y = 8x - 1L2: y = - 
x - 7
A. perpendicular B. parallel C. neither
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It can be shown that the area enclosed between the x-axis and one arch of the sine curve is 2. Use this fact to compute the definite integral.
dx (Hint: each rectangle is 6 times as wide.)
A. 12 B. 72 C. 2 D. 6
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Match the graph to one of the polar equations.
A. r = -
B. r = 
C. ? = 
D. ? = -
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