Use the quadratic formula to find the exact solutions.3x2 - 23x - 8 = 0
A. - 
, -3
B. - 
, 8
C. - 
, 3
D. -3, 8
Answer: B
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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 20 feet per second per second when the radius of the turn is 100 feet, find the acceleration the passengers feel when the radius of the turn is 400 feet.
A. 8 ft/sec2 B. 6 ft/sec2 C. 7 ft/sec2 D. 5 ft/sec2
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with x = 1 corresponding to January, 
and 
Determine the month with the greatest total sales and give the sales in that month.
A. September; $4000 B. March; $10,600 C. June; $7300 D. December; $10,600
Solve the problem.It takes 9 hours for 5 people to paint a house. How long will it take 3 people to do the job?
A. 5.7 hr B. 14.3 hr C. 5.4 hr D. 15 hr
Find a polynomial with the given zeros.
?
?
A. 
B. 
C. 
D. 
E. none of these