Solve the problem.Find the equation of the circle, written in the form 
, passing through the points 
A. x2 + y2 + 10x + 6y + 9 = 0
B. x2 + y2 - 10x - 6y - 2 = 0
C. x2 + y2 - 10x - 6y + 9 = 0
D. x2 + y2 - 5x - 3y + 9 = 0
Answer: C
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Solve. Round to the nearest thousandth, if necessary.93 - x = 17
A. {1.111} B. {-1.111} C. {3.776} D. {1.711}
Give a rule for the piecewise-defined function. Then give the domain and range.
A. f(x) = 
; Domain: (-?, ?), Range: (-?, ?)
B. f(x) = 
; Domain: (-?, ?), Range: (-?, ?)
C. f(x) = 
; Domain: (-?, 2) ? (2, ?), Range: (-?, ?)
D. f(x) = 
; Domain: (-?, ?), Range: (-?, 2) ? (2, ?)
Solve the problem.The logistic growth model 
represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 740?
A. 7.4 hr B. 1.8 hr C. 5.58 hr D. 11.18 hr
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(5x + 3y)2
A. 5x2 + 30xy + 9y2 B. 5x2 + 9y2 C. 25x2 + 30xy + 9y2 D. 25x2 + 9y2