Find the standard equation of the parabola that satisfies the given conditions. Vertex: (0, 4); focus: (0, 6)
A. y2 = 8(x - 4)
B. (x - 4)2 = 8y
C. x2 = -8(y - 4)
D. x2 = 8(y - 4)
Answer: D
Mathematics
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Rwhere R is the parallelepiped bounded by the planes 
A. 5
B. 
C. 30
D. 
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Solve.3x2 - 45 = 0
A. -
, 
B. ±15
C. 16
D. 22.5
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Solve the system of equations corresponding to the given matrix equation.
= 
A. {(-8, 18)} B. {(9, -4)} C. {(0, 0)} D. {(-4, 9)}
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Graph the function.f(x) = 3-x
A. 
B. 
C. 
D. 
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