Figure ABCD is reflected across the y-axis. What are the coordinates of A' B', C. and D'?
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AOD
10-0-7
B'OD
D'OD

yreflection in y-axis (x, y) → (-x, y)  **the sign of the x-coordinate changes, the y value stays the same**

A'(1, 4)

B'(5, 8)

C'(5, 4)

D'(4, 2)

Step-by-step explanation:

A'(1, 4)

B'(5, 8)

C'(5, 4)

D'(4, 2)

Step-by-step explanation:

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