The value of nx is the ratio of the transformed x-coordinates to the original x-coordinates in each horizontal stretch. The value of ny is the ratio of the transformed y-coordinates to the original y-coordinates in each vertical stretch.
Step-by-step explanation:
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The value of nx is the ratio of the transformed x-coordinates to the original x-coordinates in each horizontal stretch. The value of ny is the ratio of the transformed y-coordinates to the original y-coordinates in each vertical stretch.
So 9 more than 3 times a number, would be: 9+(3x)=-6 then you would solve subtract 9 from 9 and 9 from -6 you get 3x=-15 divide by 3 on both sides x=-5