Find the center and the radius of the circle.x2 + y2 + 6x - 4y + 13 = 16
A. (2, -3); r = 4
B. (-2, 3); r = 16
C. (-3, 2); r = 4
D. (3, -2); r = 16
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Answer the question.True or False: The graph of the equation y = 7 goes through the origin.
A. False B. True
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Find all rational zeros.f(x) = x3 + 6x2 - 9x - 54
A. {3, 6, -3} B. {4, 6, -6} C. {-4, -6, 6} D. {-3, -6, 3}
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Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(7x + 9)2 = 64
A. 
B. 
C. 
D. 
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