Determine which factoring technique is appropriate for the given polynomial.x2 - 25

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


Answer: B

Mathematics

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Find the derivative. 

A.
B.
C.
D.

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Factor completely.x2 + 7xy - 144y2

A. (x - 16y)(x + y) B. (x + 16y)(x - 9y) C. prime D. (x - 16y)(x + 9y)

Mathematics

Solve. Use ? ? 3.14 and round to the nearest hundredth.Find the area of a circle with diameter 20 mi.

A. 62.80 mi2  B. 314.00 mi2  C. 125.60 mi2 D. 1256.00 mi2 

Mathematics

Solve by the method of your choice.25x2 = -16

A. - 
B. i
C. ± i
D. ± i

Mathematics