Help please
Which if the following rules best describes the matrix below? [-1 0
[0 1]

a.

dilation of scale factor 2

c.

reflection over the line y = x

b.

reflection over the y-axis

d.

translation 1 unit left and 1 unit up

Question

Help please
Which if the following rules best describes the matrix below? [-1 0
                      [0 1]


a.
 

dilation of scale factor 2
 

c.
 

reflection over the line y = x
 



b.
 

reflection over the y-axis
 

d.
 

translation 1 unit left and 1 unit up

catlover5925 · Answer

im sorry I have know idea how to do this... @perl @Hero @jordanloveangel  @tkhunny

jordanloveangel · Answer

hope this helps http://www.purplemath.com/modules/mtrxmult2.htm

tkhunny · Answer

Put a few points in a matrix, multiply, and see what gives!