12.2 - 12.3 HW Quiz - Amber Nicholson | Library

Reflection in the x-axis:  (a, b) --> (a, -b)
Reflection in the y-axis:  (a, b) --> (-a, b)
Reflection in the line y = x:  (a, b) --> (b, a)

Rotation of 90 degrees:  (a, b) --> (-b, a)
Rotation of 180 degrees:  (a, b) --> (-a, -b)
Rotation of 270 degrees:  (a, b) --> (b, -a)

For #1-4, reflect the figure over the y-axis.  

Find the coordinates of A', B', and C', and then draw \triangle{A'B'C'}.

1

Find A'

1

Find B'

1

Find C'

1

Graph \triangle{A'B'C'}

For #5-8, reflect the figure over the x-axis.  

Find the coordinates of A', B', and C', and then draw \triangle{A'B'C'}.

1

Find A'

1

Find B'

1

Find C'

1

Graph \triangle{A'B'C'}

For #9-12, rotate the figure 180 degrees about the origin. 

Find the coordinates of D', E', and F', and then draw \triangle{D'E'F'}.

1

Find D'

1

Find E'

1

Find F'

1

Graph \triangle{D'E'F'}

For #13-16, rotate the figure 90 degrees about the origin.  

Find the coordinates of D', E', and F', and then draw \triangle{D'E'F'}.

1

Find D'

1

Find E'

1

Find F'

1