1/4 divided by 2 show your work on how you got the answer

What is the reflection image of (5,-3) across the line y = -x?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4