CPM Homework Help : CC3MN Problem 7-71

Reflect quadrilateral ABCD across the line $y=-2$ . Write the coordinates of the new vertices.

Hint:

Use the points given to reflect the quadrilateral across the line $y=−2$

Enclosed figure, A B C D, with points A(negative 2, comma negative 1), B(negative 1, comma 3), C(3, comma 2) and D(2, comma negative 1).

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