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Status: Waiting for your answers.

49x2 + 16y2 - 392x + 128y + 256 = 0 is the general form of an ellipse. Write the equation of this conic section in standard form by filling in the appropriate values for each open response. Step 1: 49x2 - 392x + 16y2 + 128y =   Step 2: 49(x2 - 8x) + 16(y2 + y) =   Step 3: 49(x2 - 8x + ) + 16(y2 + y + ) =   + 49() + 16()   Step 4: 49(x - )2 + 16(y + )2 =   Step 5: (x - )2   (y + )2 +   = 1