Find the foci of the ellipse.
+ 
= 1
A. (-9, 1), (3, 1)
B. (-3 + 2
, 1), (-3 - 2
, 1)
C. (-3, 1+ 2
), (-3, 1 - 2
)
D. (- 2
, 1), (2
, 1)
Answer: B
Mathematics
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Graph the curve.r = 1 - 6 sin ? (limacon with a loop)
A. 
B. 
C. 
D. 
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Identify the place occupied by the underlined digit.45,
31
A. Thousands B. Ten thousands C. Hundreds D. Tens
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Divide.
A. 
- 
i
B. 
+ 
i
C. 1 + 
i
D. 1 + 
i
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The (r + 1)st term of the expression (a + b)n, 0 ? r ? n, is given by 
an - rbr. Find the specified term.The 9th term of (x - 2y)10.
A. 11,520x2y8 B. -5760x8y2 C. 11,520x8y2 D. -5760x2y9
Mathematics