Solve by the quadratic formula. If there are no real roots, say so.b2 + 
b = 
A. b = 
B. No real solution
C. b = - 
, b = -
D. b = 0, b = 
Answer: B
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Write as a percent.0.538
A. 538% B. 53.8% C. 0.0538% D. 0.538%
Factor completely, if possible.x2 - 16xy + 64y2
A. (x - 8y)(x + 8y) B. (x + 8y)2 C. (x - 8y)2 D. Prime
Find the exact value of the expression.sin
A. 
B. - 
C. 
D. 
Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen sulfide dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship.
Represent the data in the table graphically with elapsed time on the horizontal axis and the amount of dissolved hydrogen sulfide on the vertical axis. What general trend do the data reflect?
A. With increasing elapsed time, the amount
of dissolved hydrogen sulfide decreases.
B. With increasing elapsed time, the amount
of dissolved hydrogen sulfide increases.
C. With increasing elapsed time, the amount
of dissolved hydrogen sulfide increases.
D. There is no apparent trend in the data.