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Status: Waiting for your answers.

4x2 + 81y2 - 16x + 648y + 988 = 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: 4x2 - 16x + 81y2 + 648y =   Step 2: 4(x2 - 4x) + 81(y2 + y) =   Step 3: 4(x2 - 4x + ) + 81(y2 + y + ) =   + 4() + 81()   Step 4: 4(x - )2 + 81(y + )2 =   Step 5: (x - )2   (y + )2 +   = 1