Respuesta :

Note the rules

  • (+)(+)=(+)
  • (-)(-)=(+)
  • (-)(+)=(-)
  • (+)(-)=(-)

So

Option A -->Negative

Option B-->Positive

Option C –»Negative

Option D —»Positive

loneguy

Positive product:

[tex]\left(-\dfrac 23 \right) \left(- \dfrac 23 \right)~ \text{and}~ \left(\dfrac 23 \right) \left(\dfrac 23 \right)[/tex]

Negative product:

[tex]\left(-\dfrac 23 \right) \left(\dfrac 23 \right)~ \text{and}~ \left(\dfrac 23 \right) \left(-\dfrac 23 \right)[/tex]

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