Find the vertex, the focus, and the directrix of the parabola.y2 - 8x - 6y + 17 = 0
A. Vertex: 
; Focus: 
; Directrix: y = 
B. Vertex: 
; Focus: (3, 3); Directrix: x = -1
C. Vertex: 
; Focus: (-1, 1); Directrix: y = 3
D. Vertex: 
; Focus: (9, 1); Directrix: y = 7
Answer: B
Mathematics
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Match the given equation with one of the graphs.y2 = 25 - x2
A. 
B. 
C. 
D. 
Mathematics
Solve the system of linear equations.9x - 2y = 298x + 9y = 112
A. (-5, 8) B. No solution C. (5, 8) D. (-4, -7)
Mathematics
Indicate whether the ordered pair is or is not a solution to the given system.
(2, 5)
A. Solution B. Not a solution
Mathematics
Write in decimal notation.2.781 × 107
A. 2,781,000 B. 278,100,000 C. 194.67 D. 27,810,000
Mathematics