The x-intercepts are readily identified on the graph: (2,0) and (4,0). The midpoint of a line connecting those 2 points would be (3,0).
By definition, a rectangle is:
Any four sided polygon (quadrilateral) that contains four right angles.
By extension, a square is:
Any rectangle where all sides are of the same, or equal, length.
<h3>So yes, a square is always a rectangle.</h3>
5. . 1
---- - -----
6. . 2
5. . 3
----- - -----
6. . 6
5-3
-------
6
2
-----
6
= 1/3
B