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Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
y = (-2x^2) + (bx) + 5
In the xy-plane, the graph of the equation above assumes its maximum value at x = 2. What is the value of b?
(A)-8
(B)-4
(C) 4
(D) 8
(E) 10
