Respuesta :

Answer:

(6,21)

Step-by-step explanation:

The coordinate for point R on the dilated image can be found by multiplying the coordinate for point R by the scale factor.

R(2 , 7)  R'(2 × 3 , 7 × 3) = R'(6 , 21)

Therefore, the location of point R' is (6 , 21).