Determine which factoring technique is appropriate for the given polynomial.x2 - 4

A. difference of cubes
B. factor out GCF
C. sum of squares
D. difference of squares


Answer: D

Mathematics

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Use series to evaluate the limit.x3

A. - 
B. - 256
C. - 4
D. - 32

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Find an equation for the ellipse.Center at (0, 0); focus at (0, -6); vertex at (0, 7)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

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Give the appropriate form of the partial fraction decomposition.

A.  +  
B.  +  
C.  +  
D.  +  

Mathematics

Solve.?x? = 4

A. -4 B. 16 C. -4, 4 D. 4

Mathematics