Match the equation to its graph.y = -4x

A.

B.

C.

D.


Answer: C

Mathematics

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The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 5, x = -9

A. r = 
B. r = 
C. r = 
D. r = 

Mathematics

Simplify the complex fraction. Leave the answer in factored form when appropriate.  

A.
B.
C.
D. 4

Mathematics

Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 3xy2i + 3x2yj + 2xyk ; D: the region cut from the solid cylinder x2 + y2 ? 9 by the planes z = 0 and 

A. 486?
B. ?
C. 243?
D. 972?

Mathematics

Factor completely. If a polynomial cannot be factored, say it is prime.x2 + x - 42

A. (x - 7)(x + 6) B. (x + 1)(x - 42) C. prime D. (x - 6)(x + 7)

Mathematics