Find the equation of the parabola corresponding to the given information.The parabola has focus ( 0 , -3 ) and directrix y = 3.

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

Answer: C

Mathematics

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Find the x- and y-intercepts of the graph of the equation. 6y - 2x = -4

A. x-intercept: - ; y-intercept: 2
B. x-intercept: - ; y-intercept: -2
C. x-intercept: -2; y-intercept: - 
D. x-intercept: 2; y-intercept: - 

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Determine whether the triangles in the given pair are congruent. If so, state the property that shows the triangles are congruent.

A. congruent; ASA B. congruent; AAS C. not congruent D. congruent; AAA

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Graph the system of inequalities.y ? 2x - 3x + y ? 2

A.

B.

C.

D.

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Use the right triangle shown and find the missing length. If necessary, round to three decimal places. c = 15, a = 12

A. 1.732 B. 5.196 C. 19.209 D. 9

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Mathematics