Find the standard form of the equation of the parabola with the given characteristic and vertex at the origin.

directrix:  x = -9

A. x2 = -9y
B. y2 = 36x
C. x2 = -36y
D. x2 = 36y
E. y2 = -9x


Answer: B

Mathematics

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A.  
B.  
C.
D.  

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Compute the square root.

A. 3 B. 2 C. 16 D. 1

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Collect like terms.8x2 + 2x - 6x2 + 9x + 5

A. 13x6 + 5 B. 2x4 + 11x2 + 5 C. 2x2 + 11x + 5 D. 10x3 + 3x3 + 5

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Solve. - 3 = 0

A. 9
B.
C. No solution
D.

Mathematics