Find the foci of the ellipse.
+ 
= 1
A. (-2, -11), (-2, 1)
B. (-2, -15), (-2, 5)
C. (-13, -2), (3, -2)
D. (-2, -13), (-2, 3)
Answer: D
Mathematics
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Find the focus and directrix of the parabola.x2 = -20y
A. (0, -5); x = 5 B. (0, -5); y = 5 C. (-5, 0); y = 5 D. (0, -5); y = -5
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Factor completely. If the polynomial cannot be factored, say it is prime.2x2 - 12x - 4x + 24
A. 2(x - 6)(x - 2) B. (x - 6)(x - 2) C. 2(x + 6)(x + 2) D. (x - 6)(2x - 4)
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Find the slope and the y-intercept of the given line.y = 
x - 5
A. 
; (0, 5)
B. - 
; (0, -5)
C. 
; (0, -5)
D. - 
; (0, 5)
Mathematics
Collect like terms.-5z - (-3z)
A. -8z B. -2z2 C. -2z D. 2z
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