Discuss the equation and graph it.r = 
A. hyperbola; directrix parallel to
the polar axis 
unit above the pole
vertices 
, 
B. ellipse, directrix parallel to
the polar axis 
unit below the pole
vertices 
, 
C. ellipse, directrix perpendicular to
the polar axis 
unit left of the pole
vertices 
, 
D. hyperbola, directrix perpendicular to
the polar axis 
unit right of the pole
vertices 
, 
Answer: A
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List the intercepts for the graph of the equation.4x2 + 16y2 = 64
A. (-2, 0), (-4, 0), (4, 0), (2, 0) B. (-4, 0), (0, -2), (0, 2), (4, 0) C. (-4, 0), (-16, 0), (16, 0), (4, 0) D. (-16, 0), (0, -4), (0, 4), (16, 0)
Convert the angle from radians to degrees. Express your answer as a decimal rounded to two decimal places.5
A. 572.56° B. 286.48° C. 572.96° D. 286.88°
A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function.(7, -3)Find tan ?.
A. - 
B. 
C. - 
D. - 
Compute the value of the expression.
Fill in the blank(s) with the appropriate word(s).