Factor out a factor with a negative coefficient.-15u4 - 10u3 + 25u
A. 5u(-3u3 + 2u2 + 5)
B. -5u(3u3 - 2u2 + 5)
C. -5u(3u3 + 2u2 - 5)
D. None of these
Answer: C
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Multiply.(-2x2 + 4y)(5x2 + 5y)
A. -10x4 + 10x2y2 + 20y2 B. -10x4 + 10x2y + 20y2 C. -10x4 + 10x2y + 20y4 D. -10x2 + 10xy + 20y2
Solve the quadratic equation using the quadratic formula.16x2 + 1 = 3x
A. 
B. 
C. 
D. 
Convert. When necessary, round the answer to two decimal places.Jeremy can stand on one leg for 4.3 min. Express this time in seconds.
A. 258 sec B. 222 sec C. 234 sec D. 246 sec
Solve the problem.The population of a small town can be modeled by P = -33t + 12,800, where t is the number of years since 2010. Interpret the slope of the graph of this function as a rate of change.
A. The population of the town is decreasing by 12,800 people per year. B. The population of the town is increasing by 12,800 people per year. C. The population of the town is increasing by 33 people per year. D. The population of the town is decreasing by 33 people per year.