Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.6y2 = 5y - 2
A. One rational solution
B. Two nonreal complex solutions
C. Two irrational solutions
D. Two rational solutions
Answer: B
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axis
A. 32?
B. 
?
C. 64?
D. 
?
Complete numerical representations for the functions f and g are given. Evaluate the expression, if possible.(f?g)(3)
A. 10 B. 2 C. 6 D. Undefined
Solve the problem.A pendulum swings though an angle of 20° each second. If the pendulum is 55 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 19.2 in. B. 20.49 in. C. 21.63 in. D. 17.35 in.
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 2(sin ? - cos ?)
A. x2 + y2 = 2x - 2y B. x2 + y2 = 2y - 2x C. 2x2 + 2y2 = x - y D. 2x2 + 2y2 = y - x