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Use the coordinates to describe the transformation and write a rule.

User Alicja
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We are given the preimage points and the mapped points (image):

A(-6, -2) A'(-6, 2)

B(-3, -6) B'(-3, 6)

C(-2, -2) C'(-2, 2)

We can see the x-coordinate of the preimage and the image are the same, but the y-coordinate is negated (or inverted).

This rule corresponds to a reflection across the x-axis.

Thus, the transformation is a reflection across the x-axis and the rule is to negate the value of the y-coordinate of each point, but leave the x-value the same.

User ToTamire
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