Factor completely. If the polynomial is prime, state this.81k3m - 126k2m2 + 49km3
A. km(9k - 7m)(9k + 7m)
B. km(9k + 7m)2
C. Prime
D. km(9k - 7m)2
Answer: D
Mathematics
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Express the sum in sigma notation.1 - 2 + 4 - 8 + 16
A. 
2k + 1
B. 
2k
C. 
D. 
2k
Mathematics
Find the length of the curve.The line segment r = 4 sec ?, 0 ? ? ? 
A. 4
B. 
C. 4 ln
D. 2(
+ ln(
+ 1))
Mathematics
Find parametric equations for the rectangular equation.y = x4 + 1
A. x = t2, y = t4 + 1; 0 ? t < ? B. x = t, y = t2 + 1; 0 ? t < ? C. x = t2, y = t2 + 1; 0 ? t < ? D. x = t, y = t4 + 1; 0 ? t < ?
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.a3b2 + 3a2b - 54a
A. a(a2b2 + 3ab - 54) B. a(ab + 6)(ab - 9) C. a4(b - 6)(b + 9) D. a(ab - 6)(ab + 9)
Mathematics