Discuss the equation and graph it.r = 
A. ellipse; directrix parallel to
the polar axis 4 units below pole
center 
vertices 
, 
B. ellipse; directrix perpendicular to
the polar axis 4 units left of pole
center 
vertices 
, 
C. ellipse; directrix perpendicular to
polar axis 4 units right of pole
center 
vertices 
, 
D. ellipse; directrix parallel to
the polar axis 4 units above pole
center 
vertices 
, 
Answer: A
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Find the cubic or quartic function that models the data in the table.
(Cubic)
A. y = -1.53x3 + 0.54x2 - 2.07x + 0.36 B. y = -1.53x3 + 0.24x2 - 2.57x + 0.36 C. y = -1.53x3 + 0.24x2 - 2.07x + 0.36 D. y = -1.83x3 + 0.24x2 - 2.07x + 0.36
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 8y = -332x + 12y = -2
A. parallel B. perpendicular C. neither
Evaluate.Evaluate x + y + z, if x is 9, y is 7 and z is 11.
A. 28 B. 27 C. 26 D. 16
Find the least common denominator (LCD).
, 
, 
A. 18 B. 30 C. 45 D. 90