Practice problem
What are the coordinates of △\bigtriangleup△ABCABCABC after a dilation of 12\frac1221?
[−21213212−1]\begin{bmatrix}-2&\frac12\\1&\frac32\\\frac12&-1\end{bmatrix}−21212123−1
[−82462−4]\begin{bmatrix}-8&2\\4&6\\2&-4\end{bmatrix}−84226−4
[−21121232−1]\begin{bmatrix}-2&1&\frac12\\\frac12&\frac32&-1\end{bmatrix}[−22112321−1]
[−84226−4]\begin{bmatrix}-8&4&2\\2&6&-4\end{bmatrix}[−82462−4]
Type a concept, like “slope” or “photosynthesis”.
