Intro to Dilations

The triangle got smaller

The triangle got bigger

The triangle got smaller

The triangle got bigger

Enlargement

Reduction

 $(8x,8y)\ \rightarrow\ (x,y)\$  

 $(x,y)\ \ \rightarrow\ \ (x+8,\ y-8​)$  

 $(x,y)\ \rightarrow\ (8x,\ 8y)$  

 $(x,y)\ \rightarrow\ (1.6x,1.6y)$  

 $(x,y)\ \rightarrow\ (0.75x,0.75y)$  

 $(x,y)\ \rightarrow\ (\frac{18}{5}\ x,\ \frac{18}{5}\ y)$  

 $(x,y)\ \rightarrow\ (-x,y)$  

 $(x,y)\ \rightarrow\ (3x,3y)$  

 $(x,y)\ \rightarrow\ (\frac{3}{4}x,\ \frac{3}{4}​y\ )$  

 $(x,y)\ \rightarrow\ (0.99x,0.99y)$  

 $(x,y)\ \rightarrow\ (5x,\ 5y)$  

$(x,y)\rightarrow\ (x+2,y-4)$

$(x,y)\ \rightarrow\ (0.33x,0.33y)$

$(x,y)\ \rightarrow\ (3x,3y)$

$(x,y)\ \rightarrow\ (x-2,y+4)$

$(x,y)\ \ \rightarrow\ \ (\frac{1}{2}x,\frac{1}{2}​y)$

$(x,y)\ \ \rightarrow\ \ (2x,\ 2y)$

$(x,y)\ \ \rightarrow\ \ (4x,\ 2​y)$

$(x,y)\ \ \rightarrow\ \ (-x,\ -y)$

$(x,y)\rightarrow\ (\frac{4}{10}​x,\ \frac{4}{10}​y)$

$(x,y)\ \rightarrow\ (x+3,y+2)$

$(x,y)\rightarrow\ (\frac{10}{4}​x,\ \frac{10}{4}​y$

$(x,y)\ \rightarrow\ (x-3,y-2)$

 $(x,y)\ \rightarrow\ (x-1,\ y+1)$  

 $(x,y)\ \rightarrow\ \left(\frac{1}{9}x,\ \frac{1}{9}y)\right)$  

 $(x,y)\ \rightarrow\ (0.77x,\ 0.77y)$ 

 $(x,y)\ \rightarrow\ \left(\frac{6}{3}x,\ \frac{6}{3}y)\right)$  

True

False

translation

dilation

rotation

reflection

(x, y) ⟶ (y, ⎯x)

(x, y) ⟶ (⎯x , ⎯y)

(x, y) ⟶ (x +2, y ⎯ 3)

(x, y) ⟶ ( 3x, 3y)