What is the image of the point (−3,−7)(-3, -7)(−3,−7) under a reflection in the origin?
(3,7)(3, 7)(3,7)
(−3,7)(-3, 7)(−3,7)
(3,−7)(3, -7)(3,−7)
(−3,−7)(-3, -7)(−3,−7)