Question

Find the coordinates of the vertices of each figure after the given transformation.

7) rotation 180 degrees about the origin
Z(-1,-5) ,K(-1,0) C(1,1) M (3,-2)

Answer 1

Z'(1, 5), K'(1, 0), C'(−1, −1), M'(−3, 2)

Explanation:

According to the 180°-rotation rule, you take the OPPOSITE of both the x-coordinate and y-coordinate:

180°: [x, y] → [−x, −y]

Z(−1, −5) → Z'(1, 5)

K(−1, 0) → K'(1, 0)

C(1, 1) → C'(−1, −1)

M(3, −2) → M'(−3, 2)

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