Which representation of a transformation on a coordinate grid does not preserve congruence? A (x, y) → (x,-Y) B (x, y) + (x + 7, y + 7) 1 C (x, y) → (5x7Y) , x D (x, y) → (y, -x)

(x,y) --> (1/7x, 1/7y)

Step-by-step explanation:

5x+10 is the correct one

hope this

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.