Factor by grouping to obtain the difference of two squares.x3 - 9x2 - x + 9
A. (x + 9)(x2 + 1)
B. (x - 9)(x2 + 1)
C. (x - 9)(x + 1)(x - 1)
D. (x + 9)(x + 1)(x - 1)
Answer: C
Mathematics
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Give all possible rational zeros for the polynomial.f(x) = 7x24 + 11x18 + 2x - 14
A. ±1, ± 
, ±2, ± 
, ±7, ±14
B. ±1, ± 
, ±7, ± 
, ± 
, ± 
C. ±1, ±2, ±7, ±14
D. ±1, ± 
, ±2, ±7, ±14
Mathematics
State whether the fractions are equal or not equal.
, 
A. Equal B. Not equal
Mathematics
List the indicated feature of the figure.The edges of
A. A, B, C, D, E, F, G, H B. Cannot be identified C. ABCD, ABGF, AFED, BCGH, CHED, EFGH D. AB, AD, AF, ED, EF, EH, CB, CD, CH, GB, GF, GH
Mathematics
Insert the decimal point in the appropriate place.
A. 
B. 
C. 
D. 
Mathematics