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What are the center and the radius of the circle 4x2 + 4y2 - 4x + 16y + 1 = 0?
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The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
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What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?
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What are the center and the radius of the circle 4x2 + 4y2 - 4x + 16y + 1 = 0?...
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