CC Math II – pg. 205 CYU Name _________________________________

Consider the following matrix representation of ΔABC.

A. On separate grids, sketch and label ΔABC and its image under each of the following transformations.

I. Reflection across y-axis II. Translation with horizontal component -3 and vertical component 2

A’ A’

B’ B’

C’ C’

V. Reflection across the line y=x VI. 180° counterclockwise rotation about the origin

A’ A’

B’ B’

C’ C’

XI. 90° counterclockwise rotation about the origin

B. Show ΔABC≅ΔA’B’C’ for one of parts i-iv.

A’

B’

C’