Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (±8, 0) and foci at (±3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Find the area of the shaded region.
Give your answer in square meters.
A. 57.7088 m2 B. 57.7344 m2 C. 57.6576 m2 D. 47.52 m2
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Find all specified roots.Square roots of 4 + 4
i
A. 
+ 
i, - 
- 
i
B. - 
- 
i, 
- 
i
C. 
- 
i, - 
+ 
i
D. 
+ 
i, - 
- 
i
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Graph the linear inequality.x ? -6
A. 
B. 
C. 
D. 
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Find the y-intercept for the graph of the quadratic function.y = -(x + 3)2 + 25
A. -16 B. 16 C. -5 D. 3
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