R^2 to R^2/Linear/Image of a square/Exercise
Which of the following geometric shapes can be the image of a square under a linear mapping from to ?
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Regular_quadrilateral.svg/100px-Regular_quadrilateral.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/U%2B25B1.svg/100px-U%2B25B1.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Regular_triangle.svg/100px-Regular_triangle.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Trapezoid2.png/100px-Trapezoid2.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Hexagon.svg/100px-Hexagon.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Blancuco.jpg/100px-Blancuco.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Segment_graphe.jpg/100px-Segment_graphe.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Disk_1.svg/100px-Disk_1.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/6/63/Geometri_romb.png)
Which of the following geometric shapes can be the image of a square under a
linear mapping
from to
?