Question

A dilation has center (0,0). Find the image of the point L(- 5,0) for the scale factor 9.

Answer 1

We can find the new point using the following formula:

`D_(o,k)\left(x,y\right)=\left(kx,ky\right)`

Where:

k = Scale factor = 9

Therefore:

`L\lparen-5,0)\rightarrow\left(9x,9y\right)\rightarrow L^(\prime)\lparen-45,0)`

Answer:

L' = (-45,0)