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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 = (x^2) minus (4x) + c)
In the quadratic equation above, c is a constant. The graph of the equation in the x y plane contains the points (-2，0) and (6，0). What is the value of c?
(A) -12
(B) -6
(C) 4
(D) 6
(E) 12
