What is the common ratio of the given geometric sequence? negative 2 comma 4 comma negative 8 comma 16 comma negative 32 comma dot dot dot

Divide any term by the term before it to find the common ratio: 4 ÷ (−2) = −2. The next pair confirms it, since −8 ÷ 4 = −2. So the common ratio is negative 4 halves, choice D.

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