1.
The vertex matrix of a triangle is
. Find the vertex matrix of its image after a reflection in the origin.
A.
B.
C.
D.
Hint
2.
Use a matrix to find the coordinates of the endpoints of the image of
with
A
(-6, 6) and
B
(9, -8) after a reflection in the line
y
=
x
.
A.
B.
C.
D.
Hint
3.
For a reflection in the
x
-axis, multiply the vertex matrix on the left by _____ .
A.
B.
C.
D.
Hint
4.
Determine the coordinates the image of
with vertex matrix
after a dilation with a scale factor of -4.
A.
B.
C.
D.
Hint
5.
Find the coordinates of the image of
with vertex matrix
under a rotation 180° counterclockwise about the origin.
A.
B.
C.
D.
Hint