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. 
Mathematics
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