Tell what number must be added to complete the square x^2+16x__
1 answer:
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If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).
If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).
