Use a grapher to estimate the relative extrema of the function.


Relative maximum at (0.91, 18.14) ;
relative minimum at (3.77, ?28.95)

Mathematics

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Identify the equation without applying a rotation of axes.2x2 + 6xy + 9y2 + 2x - 3y + 1 = 0

A. ellipse B. hyperbola C. parabola D. not a conic

Mathematics

Find the vertices and the foci of the given ellipse.81x2 + 36y2 = 2916

A. V: (0, 81), (36, 0)
F: (0, 9), (6, 0)
B. V: (0, -9), (0, 9); 
F: (0, - 3), (0, 3)
C. V: (-9, 0), (9, 0); 
F: (- 3, 0), (3, 0)
D. V: (0, -81), (0, 81); 
F: (0, -9), (0, 9)

Mathematics

Solve.x +  = 

A. 1
B.
C.  
D.  

Mathematics

Graph the equation below. y = -4x


Mathematics