Factor completely. If the polynomial is prime, state so.81k3m - 375m4
A. (9km - 15m2)(9k2 + 25m2)
B. 3m(27k - 5m)(k2 + 15km + 25m2)
C. 3m(3k + 5m2)(9k2 - 15km + 25km2)
D. 3m(3k - 5m)(9k2 + 15km + 25m2)
Answer: D
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Determine if the given ordered pair is a solution to the system of equations.
(0, 3)
A. No B. Yes
For the given compound inequality, state whether intersection or union should be used. Then give the solution set in both interval and graph forms.x ? -4 or x > 6
A. Union; [-4, 6)
B. Union; (-?, ?)
C. Union; (-?, -4] ? (6, ?)
D. Intersection; ?
Factor the sum or difference of two cubes.8 - x3
A. (2 + x)(4 - x2) B. (2 - x)(4 + x2) C. (2 + x)(4 - 2x + x2) D. (2 - x)(4 + 2x + x2)
Solve the problem.The length of a rectangular storage room is 4 feet longer than its width. If the area of the room is 96 square feet, find its dimensions.
A. w = 7 ft; l = 11 ft B. w = 7 ft; l = 13 ft C. w = 9 ft; l = 13 ft D. w = 8 ft; l = 12 ft