Find the equation of the parabola corresponding to the given information.The parabola has focus and directrix as shown.

A. y = - x2
B. y = x2
C. y = - x2
D. x = y2

Answer: C

Mathematics

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A. (6, 0) and (7, 0) B. (-6, 0) and (-7, 0) C. No x-intercepts D. (6, 0) and (-7, 0)

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Find the length of the unknown side of the right triangle with sides a, b, and c, where c is the hypotenuse.a = 7, c = 13

A.
B. 17
C. 289
D.

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