Answer:
see explanation
Step-by-step explanation:
The scale factor is the ratio of corresponding sides, image to original, thus
scale factor = [tex]\frac{4}{6}[/tex] = [tex]\frac{2}{3}[/tex] , then
x = [tex]\frac{2}{3}[/tex] × 9 = 2 × 3 = 6
y = [tex]\frac{2}{3}[/tex] × 7 = [tex]\frac{14}{3}[/tex]
