Find the eccentricity of the hyperbola.x2 - 2y2 = 6
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.In a complete graph with 12 vertices (A through L), the total number of Hamilton circuits (including mirror-image circuits) that start at vertex A is
A. 12!. B. 10!. C. 11!. D. 13!. E. none of these
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.8.1x - 80 = 0
A. 0.541 B. 0.477 C. 2.290 D. 2.095
If possible, solve the system of equations. Use any method. If there is not a unique solution to a system, say why.6x - 3y = -4-9y = -12 - 18x
A. (6, -3) B. Infinite number of solutions; dependent equations C. (0, 0) D. No solution; inconsistent system of equations
Find the range of the quadratic function.f(x) = (x + 8)2 - 9
A. (-?, -9] B. [-9, ?) C. (-?, -8] D. [-8, ?)