The coordinates of point l on a coordinate grid are (−2, −4). point l is reflected across the y-axis to obtain point m and across the x-axis to obtain point n. what are the coordinates of points m and n?
a) m(2,4), n(-2,-4)
b) m(2, -4), n(-2, 4)
c) m(-2, -4), n(2,4)
d) m(-2, 2), n(2, -4)