Answer:
[tex]A' = (-2,18)[/tex]
Step-by-step explanation:
Given
[tex]A = (-1,9)[/tex]
[tex]k = 2[/tex]
Required
The image
Let the point be called A, such that the image is A'.
A' is calculated as:
[tex]A' = k * A[/tex]
This gives:
[tex]A' = 2 * (-1,9)[/tex]
[tex]A' = (-2,18)[/tex]
