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Status: Waiting for your answers.

9x2 + 25y2 - 72x + 150y + 144 = 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: 9x2 - 72x + 25y2 + 150y =   Step 2: 9(x2 - 8x) + 25(y2 + y) =   Step 3: 9(x2 - 8x + ) + 25(y2 + y + ) =   + 9() + 25()   Step 4: 9(x - )2 + 25(y + )2 =   Step 5: (x - )2   (y + )2 +   = 1