Factor completely. If the polynomial cannot be factored, say it is prime.x4 - 256
A. prime
B. (x2 + 16)(x + 4)(x - 4)
C. (x2 + 16)2
D. (x2 - 16)2
Answer: B
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Solve the problem.Find three consecutive integers such that the square of the sum of the smaller two is 297 more than the square of the largest.
A. -10, -9, -8 B. 10, 11, 12, or -10, -9, -8 C. 8, 10, 12 D. 10, 11, 12
A regular octagon has a side of 12 cm and the perpendicular distance from the center to one of the sides is 14.5 cm. The area of the octagon is
(a) 522 sq. cm (b) 696 sq. cm (c) 1044 sq. cm (d) 1392 sq. cm (e) 87 sq. cm
Solve the problem.A cereal factory has weekly fixed costs of $21,000. It costs $1.19 to produce each box of cereal. A box of cereal sells for $4.06. Find the rule of the cost function c(x) that gives the total weekly cost of producing x boxes of cereal.
A. c(x) = 21,000 + 2.87x B. c(x) = 1.19x C. c(x) = 21,000 + 4.06x D. c(x) = 21,000 + 1.19x
Find the best buy (based on cost per unit).Brand X: 8 oz. for $2.08Brand Y: 20 oz. for $4.00Brand Z: 24 oz. for $5.52
A. Brand Y B. Not enough information C. Brand Z D. Brand X