Candace Sutton and Kenya McBee scored 10 points each as UNC (21-6, 10-4 in the ACC) handed Tech its fourth loss in five games.
Regina Tate scored 18 for the Yellow Jackets (14-11, 7-8), and Sonja Mallory and Milli Martinez had 14 apiece.
The Tar Heels opened the second half with a 7-0 scoring run to take a 44-30 lead. Tech pulled within five with 50.5 seconds left, but McBee and Nikki Teasley each made two free throws to seal UNC's win.
Softball Takes 2nd at Triangle Classic
RALEIGH -- The North Carolina softball team split its final two games at the Triangle Classic Sunday against Illinois and Minnesota to finish in second place at the 21-team tournament.
The Tar Heels (5-5) beat Illinois 5-2 behind Shannon Walsh's third win of the season.
But in the Gold Bracket championship game, Minnesota ended UNC's five-game winning streak with a 7-0 shutout.
Wrestling Splits Pair of Road Meets
PHILADELPHIA -- The UNC wrestling team rebounded from a 32-7 loss to No. 13 Lehigh on Saturday with a 28-6 victory against Drexel later that day.