Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = x2 - 11x + 9
A. f(x) = (x + 
)2 + 
vertex: 
B. f(x) = (x - 13)2 + 9
vertex: (13, 9)
C. f(x) = (x + 11)2 + 251
vertex: (-11, 251)
D. f(x) = (x - 
)2 - 
vertex: 
Answer: D
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Solve the problem.The number of Hamilton circuits in the complete graph with 100 vertices is
A. in the thousands. B. in the millions. C. more than a billion. D. in the hundreds. E. none of these
Solve the problem.Tracey bought a diamond ring appraised at $2000 at an antique store. If diamonds have appreciated in value at an annual rate of 
what was the value of the ring 9 years ago? (Round your answer to the nearest dollar.)
A. $813 B. $331 C. $848 D. $4716
Solve for the missing number.
= 
A. - 22
B. 11
C. 
D. 176
Determine if the following ordered pair satisfies the system of linear equations.(1, -6)3x + y = -32x + 3y = -16
A. Yes B. No