Question

What is the image of left parenthesis, minus, 9, comma, minus, 12, right parenthesis(−9,−12) after a dilation by a scale factor of one third
3
1
​
centered at the origin?

Answer 1

Multiply each coordinate by 1/3 (dilation about the origin): (-9 × 1/3, -12 × 1/3) = (-3, -4).