A rectangle has length x and width y. Select all the statements that must be true.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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.

Find the slope of the line passing through a pair of points