The vertices of a triangle are P(-5, 7), Q(-3, 4), and R(2, 6). What are the vertices of the image reflected across the x-axis?
(1 point)
O P(-5, 7), Q'(-3, 4), and R(2, 6)
OP (5, 7), Q'(3, 4), and R'(-2, 6)
OP(-5, -7), Q'(-3,-4), and R(2, -6)
OP(5, -7), Q'(3,-4), and R'(-2,-6)