Factor the polynomial completely using the trial and error method.10x2 + 17x - 20
A. (5x + 4)(2x - 5)
B. (x - 4)(10x + 5)
C. (2x - 4)(5x + 5)
D. (5x - 4)(2x + 5)
Answer: D
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Use scientific notation to perform the computation. Leave the answer in scientific notation.
A. 1.0 × 10-3 B. 1.0 × 10-2 C. 1.0 × 10-4 D. 1.0 × 10-1
Solve the problem.While traveling at a constant speed in a car, the centripetal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 27 feet per second per second when the radius of the turn is 80 feet, find the acceleration the passengers feel when the radius of the turn is 240 feet.
A. 5 ft/sec2 B. 4 ft/sec2 C. 6 ft/sec2 D. 3 ft/sec2
Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
A. -15
B. -25
C. 15
D. - 
Solve the problem.There are 12 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?
A. 1320 B. 479,001,600 C. 220 D. 1728