Solve the equation by completing the square.x2 - 4x - 5 = 0

A. {5, -1}
B. {-4, -1}
C. {-5, 1}
D. {± }


Answer: A

Mathematics

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Find the standard equation of the indicated hyperbola.Center (-4, 3), focus (-4, 9), vertex (-4, 6)

A.  -  = 1
B.  -  = 1
C.  +  = 1
D.  -  = 1

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Solve.x4 - 17x2 + 16 = 0

A. -1, 1, -4i, 4i B. 1, 16 C. -1, 1, -4, 4 D. -i, i, -4i, 4i

Mathematics

Provide an appropriate response.If Z has a standard normal distribution, find P(|Z| < ).

Fill in the blank(s) with the appropriate word(s).

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Provide an appropriate response.Graph the rectangle with vertices (0, 3), (3, 6), ( 5, -2), and (8, 1). Are the midpoints of the sides the vertices 

A. Yes B. No

Mathematics