Use the quadratic formula to solve the quadratic equation. =  + 

A. z = - 4, -1
B. z = - 4, 1
C. z = 4
D. z = -1, 4


Answer: D

Mathematics

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Determine the slope, if it exists, of the graph of the given linear equation.y = - x + 3

A. m = 

B. m = -3

C. m = - 

D. m = 3

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Tell whether the given rational expression is proper or improper.

A. Proper B. Improper

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Evaluate. Simplify if possible. - 

A.
B.
C. - 
D.

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Solve.Find the center, vertices, foci, and asymptotes of the hyperbola x2 - 4y2 - 6x + 16y - 11 = 0

A. center at (2, 3)
vertices at (0, 3) and (4, 3)
foci at (2 - , 3) and (2 + , 3)
asymptotes of y - 3 = - (x - 2) and y - 3 = (x - 2)
B. center at (3, 2)
vertices at (2, 2) and (4, 2)
foci at (3 - , 2) and (3 + , 2)
asymptotes of y - 2 = - 2(x - 3) and y - 2 = 2(x - 3)
C. center at (3, 2)
vertices at (1, 2) and (5, 2)
foci at (3 - , 2) and (3 + , 2)
asymptotes of y - 2 = - (x - 3) and y - 2 = (x - 3)
D. center at (3, 2)
vertices at (3, 0) and (3, 4)
foci at (3, 2 - ) and (3, 2 + )
asymptotes of y + 2 = - 2(x + 3) and y + 2 = 2(x + 3)

Mathematics