Find an equation for the ellipse described.Center at (0, 0); focus at (-5, 0); vertex at (8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Write the number in standard notation.9.79 × 10-4
A. 0.0000979 B. -979,000 C. 0.000979 D. 0.00979
Mathematics
Factor completely. If the polynomial is prime, state so.4x8 - 25y4
A. (2x4 + 5y2)(2x2 - 5y)(2x2 + 5y) B. (2x2 - 5y)2(2x2 + 5y)2 C. (2x4 - 5y2)(2x4 + 5y2) D. prime
Mathematics
Factor completely.25x4 - 36y2
A. (25x2 + y)(y2 - 36y) B. (5x2 + 6y)(5x2 - 6y) C. (5x2 - 6y)2 D. (5x2 + 6y)2
Mathematics
Find the domain of f(x).f(x) = ?2x - 3?
A. ? the set of all real numbers
B. {x? x is a real number and x ? 3}
C. 
D. 
Mathematics