Graph the equation and give the coordinates of the vertex.y = -5x2    

A. (0, 0)

B. (0, -5)

C. (0, 0)

D. (0, 0)

Answer: A

Mathematics

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A. 13,824? B. 1728? C. 122,880? D. 110,592?

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A. 123.2 lb B. 7700 lb C. 15,400 lb D. 1540 lb

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Give the appropriate form of the partial fraction decomposition.

A.  +  
B.  +  
C.  +  
D.  +  

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Solve the system using Gaussian elimination.  5x - 7y - 5z =  8  9x + 6y + 4z =  6 20x - 28y - 20z = -7

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C. ?
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